ES9039MSPRO

ESS Technology,Inc

32-bit High-Performance 8-Channel DAC Sept, 2022

Manufacturer: ESS Technology,Inc

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ES9039MPRO & ES9039PRO 32-bit High-Performance 8-Channel DAC Product Datasheet ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 1 Patented 32-bit HyperStream® IV Architecture DAC Technology 32-bit audio DAC with ultra high dynamic range & ultra-low distortion +140dB DNR mono mode +132db DNR per channel -122dB THD+N mono Unprecedented dynamic range and ultra-low distortion MQA Renderer (ES9039MPRO only) Stereo MQA Renderer Built-In Easily paired with software MQA core decoder Eliminates the need for complicated DAC filter tuning High Sample Rates Up to PCM 768kHz & native DSD1024 Customizable filter characteristics 7 presets of digital optimal filters, with custom filter programmability for each channel to allow for a unique sound signature Multiple Input formats are available I2S, LJ, RJ, TDM, DSD, DoP and S/PDIF I2C, SPI, and Hardware interface control Configured by microcontroller or other I2C/SPI source, or pins through Hardware Mode Lower Power Consumption than Previous Gen Simplifies power supply design Standardized Packaging 10mm x 10mm, 64 pin eTQFP for reduced PCB board space

APPLICATIONS

Professional digital audio workstations (DAW) Audio Playback
A/V Receivers
Personal Audio Devices & Media Streamers
High End Audiophile Equipment
Any equipment that requires the very best audio digital to analog conversion The ESS Sabre® ES9039MPRO & ES9039PRO are the fully redesigned flagship 32 -bit 8 Channel digital -to-analog converters (DAC) that target high end consumer devices, professional audio applications such as recording systems, mixer consoles and digital audio workstations (DAW), test equipment, instruments, audio processors applications. It was designed to create the new generation of the world’s highest performing audio DAC. The ES9039PRO has 8 integrated DACs which use ESS’ patented Hyperstream® IV DAC Architecture. Using the QUAD modulator architecture, it delivers unprecedented audio sound quality and specifications, including a world class +132dB DNR per channel, +140dB DNR and a THD+N of -122dB in mono mode. The ES9039PRO SABRE® DAC improves on previous designs to include:
MQA Hardware renderer (ES9039MPRO) to reveal the original master resolution
TDM & SPI support for more options in connectively
Lower power consumption than previous generations, including the Hyperstream IV DAC modulator
New Hardware mode for simplified programming. TDM, DSD, DoP, and I2S, LJ, RJ master/slave interfaces as well as synchronous S/PDIF are supported . The ES9039PRO has 7 built-in pre-programmed and programmable digital filters which allows the most discerning user to tune the SABRE sound to their own personal sound signature. The ES9039MPRO includes a built-in stereo hardware MQA renderer that helps recreate the natural sound of the recording. FEATURE DESCRIPTION s

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 3 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 5 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Functional Block Diagram DIGITAL CORE MCLK SCLK/SCL/HW1 MOSI/SDA/HW0 CHIP_EN DIGITAL AUDIO PORT (I2S, DSD, DoP, TDM) S/PDIF DECODER ES9039MPRO (MQA) DIGITAL FILTERS, VOLUME CONTROL RT1 I2C SLAVE SPI Hardware Interface CLOCK NETWORK MODULATORS GPIO1 GPIO2 GPIO3 MODE SS/ADDR1/HW2 MISO/ADDR0/HW3 AVDD_L AVDD_R POR (POWER-ON-RESET) Hyperstream ® IV HiFi Sabre® DAC DAC1 DAC1B Hyperstream ®IV HiFi Sabre® DAC DAC3 DAC3B Hyperstream ® IV HiFi Sabre® DAC DAC5 DAC5B Hyperstream ® IV HiFi Sabre® DAC DAC7 DAC7B Hyperstream ® IV HiFi Sabre® DAC DAC2 DAC2B Hyperstream ® IV HiFi Sabre® DAC DAC4 DAC4B Hyperstream ® IV HiFi Sabre® DAC DAC6 DAC6B Hyperstream ® IV HiFi Sabre® DAC DAC8 DAC8B DATA_CLK DATA1 DATA2 DATA3 DATA4/GPIO4 DATA5/GPIO5 DATA6/GPIO6 DATA7/GPIO7 DATA8/GPIO8 AVDDVCCADVDD DGND AGND Figure 1 - ES9039MPRO & ES9039PRO Block Diagram

64 QFP Pinout

ES9039MPRO & ES9039PRO (Top View) Note: Pin 65 is a package pad, used for AGND, and should be connected to Analog Ground

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 7 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

64 QFP Pin Descriptions

Pin Name Pin Type Reset State Pin Description 1 DVDD Power Power Digital Core Supply, 1.2V

2 DAC1 AO Ground Differential Positive Output for Channel 1

3 DAC1B AO Ground Differential Negative Output for Channel 1

4 DAC3B AO Ground Differential Negative Output for Channel 3

5 DAC3 AO Ground Differential Positive Output for Channel 3

6 AVCC_L Power Power 3.3V DAC analog output stage reference supply for the Left side

7 AGND Ground Ground DAC analog output stage ground

8 CHIP_EN I HiZ Active-high Chip Enable

9 RT1 I HiZ Reserved. Must be connected to DGND for normal operation.

10 AGND Ground Ground DAC analog output stage ground

11 AVCC_L Power Power 3.3V DAC analog output stage reference supply for the Left side

12 DAC5 AO Ground Differential Positive Output for Channel 5

13 DAC5B AO Ground Differential Negative Output for Channel 5

14 DAC7B AO Ground Differential Negative Output for Channel 7

15 DAC7 AO Ground Differential Positive Output for Channel 7

16 DVDD Power Power Digital Core Supply, 1.2V 17 AVCC_L Power Power 3.3V DAC analog output stage reference supply for the Left side

18 AGND Ground Ground DAC analog output stage ground

19 DVDD Power Power Digital Core Supply, 1.2V

20 DGND Ground Ground Digital Ground

21 MOSI/SDA/HW0 I HiZ Serial communication for SPI/I2C & HW0 interface pin, controlled by MODE

22 SCLK/SCL/HW1 I HiZ Serial Clock for SCLK (SPI), SCL (I2C), also HW1 controlled by MODE pin

23 MODE I HiZ I2C/SPI Control selection or HW mode

24 MCLK I HiZ Oscillator input

25 VCCA Power Power Analog Supply, 3.3V

26 GPIO1 I/O HiZ General I/O w/extended functions

27 GPIO2 I/O HiZ General I/O w/extended functions

28 GPIO3 I/O HiZ General I/O w/extended functions

29 DGND Ground Ground Digital Ground

30 DVDD Power Power Digital Supply, 1.2V

31 AGND Ground Ground DAC analog output stage ground

32 AVCC_R Power Power 3.3V DAC analog output stage reference supply for the Right side 33 DVDD Power Power Digital Supply, 1.2V

34 DAC8 AO Ground Differential Positive Output for Channel 8

35 DAC8B AO Ground Differential Negative Output for Channel 8

36 DAC6B AO Ground Differential Negative Output for Channel 6

37 DAC6 AO Ground Differential Positive Output for Channel 6

38 AVCC_R Power Power 3.3V DAC analog output stage reference supply for the Right side

39 AGND Ground Ground DAC analog output stage ground

40 SS/ADDR1/HW2 I HiZ Serial communication for SPI/I2C & HW2 interface pin, controlled by MODE pin

41 MISO/ADDR0/

MUTE_CTRL I HiZ Serial communication for SPI/I2C & HW (MUTE_CTRL) interface pin, controlled by MODE pin

42 AGND_R Ground Ground DAC analog output stage ground for the Right Side

43 AVCC_R Power Power 3.3V DAC analog output stage reference supply for the Right side

44 DAC4 AO Ground Differential Positive Output for Channel 4

45 DAC4B AO Ground Differential Negative Output for Channel 4

46 DAC2B AO Ground Differential Negative Output for Channel 2

47 DAC2 AO Ground Differential Positive Output for Channel 2

48 DVDD Power Power Digital Supply, 1.2V 49 AVCC_R Power Power 3.3V DAC analog output stage reference supply for the Right side

50 AGND Ground Ground DAC analog output stage ground

52 DGND Ground Ground Digital Core Ground

53 DATA8/GPIO8 I/O HiZ Serial DATA8, General I/O 8

54 DATA7/GPIO7 I/O HiZ Serial DATA7, General I/O 7

55 DATA6/GPIO6 I/O HiZ Serial DATA6, General I/O 6

56 DATA5/GPIO5 I/O HiZ Serial DATA5, General I/O 5

57 DATA4/GPIO4 I/O HiZ Serial DATA4, General I/O 4

58 DATA3 I HiZ Serial DATA3 pin

59 DATA2 I HiZ Serial DATA2 pin

60 DATA1 I HiZ Serial DATA1 pin

61 DATA_CLK I HiZ Serial Data Clock pin

62 AVDD Power Power 3.3V I/O Supply

63 AGND Ground Ground DAC analog output stage ground

64 AVCC_L Power Power 3.3V DAC analog output stage reference supply for the Left side 65* Package Pad AGND AGND Must be connected to AGND * Note: Pin 65 is the package pad and should be connected to AGND, AO = Analog Output, I = Digital Input, I/O = Digital Input /Output, AGND = Analog Ground, DGND = Digital Ground

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 9 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Feature List The ES9039(M)PRO are SABRE 8 channel Flagship performance digital to analog converters (DAC) with features and performance including the new Hyperstream IV modulator that produces a device that is well suited for all Audiophile and PRO Audio applications. These features include TDM & SPI support as well as a Hardware (HW) mode for simplifying configuration of the ES90 39PRO. The ES9039MPRO includes a built in MQA renderer. TDM / I2S / LJ / RJ / DSD / DoP interfaces are supported. Sample rates up to 768kHz with PCM data and 7 selectable build-in digital filters as well as programmable filters. DSD rates up to DSD1024 are supported as well. Configuration Modes The ES9039PRO/ES9039MPRO have 4 control programming modes. They are controlled by the state of the MODE (pin 23): MODE PIN Configuration

0 I2C interface

Pull Low HW control mode (see Hardware Mode Table) Pull High HW control mode (see Hardware Mode Table)

1 SPI interface

To configure the ES9039MPRO & ES9039PRO registers manually over I2C or SPI, connect the following pins: I2C o MODE (Pin 23) – GND o Connect per I2C standard ▪ SDA (Pin 21) ▪ SCL (Pin 22) ▪ ADDR0 (Pin 41) ▪ ADDR1 (Pin 40) Available I2C Addresses for the ES9039(M)PRO: I2C Address ADDR1 ADDR0 0x90 GND GND 0x92 GND AVDD 0x94 AVDD GND 0x96 AVDD AVDD Table 1 – I2C address configurations SPI o Mode (Pin 23) – AVDD o Connect per SPI standard ▪ MOSI (Pin 21) ▪ SCLK (Pin 22) ▪ SS (Pin 40) ▪ MISO (Pin 41)

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 10 Hardware Mode The ES9039MPRO & ES9039PRO has 32 pre-configured modes that can be set with external pin configuration. These modes configure the DAC for different input serial data rates and set the DAC muting. These modes are set with pins:

MODE (Pin 23)
HW0 (Pin 21)
HW1 (Pin 22)
HW2 (Pin 40)
MUTE_CTRL (Pin 41) Each hardware mode pin has 4 states:
0 – Pin directly connected to GND
1 – Pin directly connected to AVDD
Pull 0 – Pin pulled to GND through 47kΩ resistor
Pull 1 – Pin pulled to AVDD through 47kΩ resistor Design Information Each hardware mode pin can be configured with either a pull-up or pull-down resistor. Therefore, it is important that the pin is configured to allow for the desired hardware modes. Some guidelines include the following:
The HW0 and HW1 pins never require a pull up or pull-down resistor. HW2/ MODE AVDD or GPIO 47k HW2/ MODE 47k Pull-up Pull-down GND or GPIO Figure 2 – Hardware mode pin configurations Muting MUTE_CTRL (Pin 41) is used to control the muting of the output and enabling of the Automute feature while in Hardware Mode:
0 – Output Muted, No Automute
1 – Output Unmuted, No Automute
Pull 0 – Output Muted, Automute Enabled
Pull 1 – Output Unmuted, Automute Enabled

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 11 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Hardware Mode Pin Configurations HW Mode FS (kHz) BCK (MHz) MCLK (MHz) BCK/ Channe l MODE HW2 HW HW I2S Master Mode

0 MCLK / 128 MCLK / 2 5 < MCLK < 50 32 Pull 0 0 0 0

1 MCLK / 256 MCLK / 4 5 < MCLK < 50 32 Pull 0 0 0 1

2 MCLK / 512 MCLK / 8 5 < MCLK < 50 32 Pull 0 0 1 0

3 MCLK / 1024 MCLK / 16 5 < MCLK < 50 32 Pull 0 0 1 1

4 MCLK / 128 MCLK / 2 5 < MCLK < 50 32 Pull 0 Pull 0 0 0

5 MCLK / 256 MCLK / 4 5 < MCLK < 50 32 Pull 0 Pull 0 0 1

6 MCLK / 512 MCLK / 8 5 < MCLK < 50 32 Pull 0 Pull 0 1 0

7 MCLK / 1024 MCLK / 16 5 < MCLK < 50 32 Pull 0 Pull 0 1 1

I2S Slave SYNC, Auto Detect FS & BCK, MCLK/1

8 Auto (8 < FS < 384) 64FS 128FS < MCLK < 50 32 Pull 0 Pull 1 0 0

I2S Slave SYNC, Auto Detect FS & BCK, MCLK/2

9 Auto (8 < FS < 192) 64FS 128FS < MCLK < 50 32 Pull 0 Pull 1 0 1

I2S Slave SYNC, Auto Detect FS & BCK, MCLK/4

10 Auto (8 < FS < 96) 64FS 128FS < MCLK < 50 32 Pull 0 Pull 1 1 0

I2S Slave SYNC, Auto Clock Gear (128FS), Auto Detect FS & BCK

11 Auto (8 < FS < 384) 64FS 128FS < MCLK < 50 32 Pull 0 Pull 1 1 1

LJ Slave SYNC, Auto Detect FS & BCK, MCLK/1

12 Auto (8 < FS < 384) 64FS 128FS < MCLK < 50 32 Pull 0 1 0 0

LJ Slave SYNC, Auto Detect FS & BCK, MCLK/2

13 Auto (8 < FS < 192) 64FS 128FS < MCLK < 50 32 Pull 0 1 0 1

LJ Slave SYNC, Auto Detect FS & BCK, MCLK/4

14 Auto (8 < FS < 96) 64FS 128FS < MCLK < 50 32 Pull 0 1 1 0

LJ Slave SYNC, Auto Clock Gear (128FS) , Auto Detect FS & BCK

15 Auto (8 < FS < 384) 64FS 128FS < MCLK < 50 32 Pull 0 1 1 1

S/PDIF, DoP, or I2S Slave ASYNC, Auto Detect, MCLK/1 16 Auto (8 < FS < 384) 64FS 130FS < MCLK < 50 32 Pull 1 0 0 0 S/PDIF, DoP, or I2S Slave ASYNC, Auto Detect, MCLK/2 17 Auto (8 < FS < 192) 64FS 130FS < MCLK < 50 32 Pull 1 0 0 1 S/PDIF, DoP, or I2S Slave ASYNC, Auto Detect, MCLK/4 18** Auto (8 < FS < 96) 64FS 130FS < MCLK < 50 32 Pull 1 0 1 0 I2S Slave ASYNC, Auto Clock Gear (>130FS), Auto Detect

19 Auto (8 < FS < 384) 64FS 130FS < MCLK < 50 32 Pull 1 0 1 1

20 Auto (8 < FS < 384) 64FS 130FS < MCLK < 50 32 Pull 1 Pull 0 0 0

LJ Slave ASYNC, Auto Detect, MCLK/2

21 Auto (8 < FS < 192) 64FS 130FS < MCLK < 50 32 Pull 1 Pull 0 0 1

LJ Slave ASYNC, Auto Detect, MCLK/4

22 Auto (8 < FS < 96) 64FS 130FS < MCLK < 50 32 Pull 1 Pull 0 1 0

LJ Slave ASYNC, Auto Clock Gear, Auto Detect

23 Auto (8 < FS < 384) 64FS 130FS < MCLK < 50 32 Pull 1 Pull 0 1 1

DSD Slave, SYNC, Auto Detect 24 64FS 64FS 128FS < MCLK < 50 -- Pull 1 Pull 1 0 0 DSD Slave, SYNC, Auto Clock Gear, Auto Detect 25 64FS 64FS 128FS < MCLK < 50 -- Pull 1 Pull 1 0 1 DSD Slave, ASYNC, Auto FS 26 64FS 64FS 130FS < MCLK < 50 -- Pull 1 Pull 1 1 0 DSD Slave, ASYNC, Auto Clock Gear, Auto FS 27 64FS 64FS 130FS < MCLK < 50 -- Pull 1 Pull 1 1 1 TDM MSB Justified, Slave, SYNC, Auto Detect 28* Auto (8 < FS < 192) Auto (256FS,512FS, 1024FS) 128FS < MCLK < 50 32 Pull 1 1 0 0 29* Auto (8 < FS < 96) Auto (512FS, 1024FS) 128FS < MCLK < 50 32 Pull 1 1 0 1 30* Auto (8 < FS < 48) Auto (1024FS) 128FS < MCLK < 50 32 Pull 1 1 1 0 31* Auto (8 < FS < 48) Auto (1024FS) 128FS < MCLK < 50 32 Pull 1 1 1 1 *Note 1: Mode 28 = Channel Slots 1 to 8, Mode 29 = Channel Slots 9 to 16, Mode 30 = Channel slots 17 to 24, Mode 31 = Channel slots 25 to 32. ** Note 2 If DoP is required, HW modes 16-18 must be used

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 13 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Recommended Hardware Mode Setup Sequence The hardware mode setup sequence is shown below with all hardware pins being defined after CHIP_EN is asserted. Note: It is recommended that MUTE_CTRL is set low until the HW mode is finalized, then asserted last. CHIP_EN HW0 HW1 HW2 1ms 1ms MUTE_CTRL OUT Figure 3 – Hardware mode startup sequence

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 14 Hardware Mode Audio Input Format Compatibility Input Datatype Hardware Modes I2S LJ RJ TDM DOP DSD S/PDIF Equivalent HW 0-3 ✓ HW 4-7 ✓ HW 8-11 ✓ HW 12-15 ✓ HW 16-18 ✓ ✓1 ✓2 HW 19 ✓ HW 20-23 ✓ HW 24-27 ✓ HW 28-31 ✓ Note 1. For hardware modes 16-18, DoP is enabled by pulling DATA8/GPIO8 high Note 2. For hardware modes 16-18, SPDIF stream is input through DATA7/GPIO7 Hardware Mode Features Input HW Mode Features Hardware Modes AUTO_FS_DETECT AUTO_CH_NUM AUTO_INPUT_SEL SYNC mode ASYNC mode Equivalent Software Mode Reg 3[7] Reg 57[7] Reg57[0] Reg1[6] Reg1[6] HW 0-15 ✓ ✓ HW 16-18 ✓ ✓ HW 19-23 ✓ HW 24-25 ✓ ✓ HW 26-27 ✓ HW 28-31 ✓ ✓ ✓

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 15 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Digital Features Digital Signal Path SABRE DAC DIGITAL PATH TDM/I2S/ DoP S/PDIF Automute DSD FIRDSD 16x IIR Filter Noise Shaped ModulatorsSRC8x Oversampling Filter 2x OSF Bypass Bypass 4x OSF Bypass CH MAPPING Volume Control Note: Channel Mapping is only available with the TDM/I2S & DoP interface. GPIO Configuration GPIO_CONFIG Function I/O Direction

0 Analog Shutdown* N/A

1 1’b0 Output 2 1’b1 Output

3 CLK_IDAC Output

4 Interrupt Output

5 Mute all channel Input

6 Input Selection Input

7 Lock_status Output

8 CLK_VALID flag Output

9 PWM1 Output

10 PWM2 Output

11 PWM3 Output

12 Volume min Output

13 Automute status Output

14 Soft Ramp finished Output

15 MQA_Auth_True** Output

Table 2 – Standard GPIO Functions For GPIO_CONFIG 0: *Analog Shutdown is input disabled, output is tri-stated For GPIO_CONFIG 15: **MQA_Auth_True is for ES9039MPRO only. Determines if the incoming stream is an MQA stream or not. GPIOx Default states: GPIO1: Automute Status GPIO3-8: Analog Shutdown GPIO2: Lock Status

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 17 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM DSD Data is latched on the positive edge of DCLK. Figure 6 – DSD format Note: There is no internal DSD channel mapping, DSD data must be physically connected to each pin DATA1-DATA8. DCLK DSD2 DSD1 D11bit DSD FORM AT

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 18 Pre-Programmed Digital Filters The ES9039MPRO & ES9039PRO has 7 pre-programmed digital filters. The latency for each filter reduces (scales) with increasing sample rates. (See Register 88[2:0])

Minimum Phase (default)
Linear Phase Apodizing
Linear Phase Fast Roll-off
Linear Phase Slow Roll-off
Minimum Phase Fast Roll-off
Minimum Phase Slow Roll-off
Minimum Phase Slow Roll-off Low Dispersion PCM Filter Latency The following table shows the simulated latency of each filter at 48kHz sampling rate. Latency delay will reduce (scale) with sampling rate. Digital Filter Delay(us) @ fs=48kHz Minimum phase (default) 158us Linear Phase Apodizing 760us Linear Phase Fast Roll-Off 771us Linear Phase Slow Roll-Off 208us Minimum Phase fast roll-off 158us Minimum Phase slow roll-off 137us Minimum Phase Slow roll-off low dispersion 282us

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 19 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM PCM Filter Properties (44.1kHz Sampling) Minimum Phase Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.49 x fs Hz Stop band -97dB 0.64 x fs Hz Group Delay 3.29/fs 9.37/fs s Flatness (ripple) 0.0004 dB Linear Phase Apodizing Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.44 x fs Hz Stop band -107dB 3.68 x fs Hz Group Delay 33.2/fs s Flatness (ripple) 0.0017 dB Linear Phase Fast Roll-off Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.48 x fs Hz Stop band -118dB 1.99 x fs Hz Group Delay 33.8/fs s Flatness (ripple) 0.0023 dB Linear Phase Slow Roll-off Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.43 x fs Hz Stop band -84dB 0.74 x fs Hz Group Delay 5.62/fs s Flatness (ripple) 0.002 dB Minimum Phase Fast Roll-off Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.48 x fs Hz Stop band -99dB 0.60 x fs Hz Group Delay 3.29/fs 9.51/fs s Flatness (ripple) 0.0016 dB Minimum Phase Slow Roll-off Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.43 x fs Hz Stop band -84dB 0.79 x fs Hz Group Delay 2.5/fs 3/fs s Flatness (ripple) 0.0035 dB

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 20 Minimum Phase Slow Roll-off Low Dispersion Parameter Conditions MIN TYP MAX UNIT Pass band –3dB 0.43 x fs Hz Stop band -84dB 0.79 x fs Hz Group Delay 9.7/fs 9.9/fs s Flatness (ripple) 0.0053 dB PCM Filter Frequency Response The following frequency responses were obtained from software simulations of these filters. Simulation sample rate is 44.1kHz. Filter Frequency Response Minimum Phase

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 21 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Linear Phase Apodizing Linear Phase Fast Roll-off

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 23 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Minimum Phase Fast Roll-off Minimum Phase Slow Roll-off

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 24 PCM Filter Impulse Response The following impulse responses were obtained from software simulations of these filters. Simulation sample rate is 44.1kHz. Minimum Phase Slow Roll-off Low Dispersion Filter Impulse Response Minimum Phase

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 25 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Linear Phase Apodizing Linear Phase Fast Roll-off

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 27 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Minimum phase fast roll-off Minimum phase slow roll-off

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 29 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Absolute Maximum Ratings Table 3 – Absolute Maximum Ratings WARNING: Stresses beyond those listed under here may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. WARNING: Electrostatic Discharge (ESD) can damage this device. Proper procedures must be followed to avoid ESD when handling this device. PARAMETER SYMBOL MINIMUM MAXIMUM UNIT COMMENTS High-level input voltage VIH (AVDD / 2) + 0.4 V Low-level input voltage VIL 0.4 V High-level output voltage VOH AVDD – 0.2 V Low-level output voltage VOL 0.2 V Table 4 – IO electrical characteristics PARAMETER RATING Positive Supply Voltage

AVCC_L
AVCC_R
AVDD
VCCA
DVDD
+3.7V with respect to Ground
+3.7V with respect to Ground
+3.7V with respect to Ground
+3.7V with respect to Ground
+1.4V with respect to Ground Storage temperature –65C to +150C Operating Junction Temperature +125C Voltage range for digital input pins –0.3V to AVDD(nom)+0.3V ESD Protection Human Body Model (HBM) Charge Device Model (CDM) TBD TBD

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 30 Recommended Operating Conditions There are the recommended operating conditions for the ES9039MPRO/ES9039PRO Table 5 – Recommended operating conditions PARAMETER SYMBOL CONDITIONS Operating temperature TA –20C to +85C AVCC_L 3.3V AVCC_R 3.3V AVDD 3.3V VCCA 3.3V DVDD 1.2V

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 31 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Power Consumption Power numbers are given when the device is in slave mode. Test Condition 0 Standby Standby (CHIP_EN = 0) AVCC <60 uA AVDD 3 uA VCCA 1 uA DVDD 1.4 mA Test Conditions 1 (unless otherwise noted) TA = 25oC, AVCC_R = AVCC_L = VCCA = AVDD = +3.3V, DVDD= +1.2V, fs = 48kHz, DAC enabled, 1kHz sine full scale Parameter Min Typ Max Unit Hardware Mode: 3 (MCLK = 49.152MHz) Master Mode 1024*fs AVCC_R 57.0 mA AVCC_L 57.0 mA VCCA 1.1 mA AVDD 2.4 mA DVDD 69.4 mA Hardware Mode: 2 (MCLK = 24.576MHz) AVCC_R 50.5 mA AVCC_L 50.5 mA VCCA 0.6 mA AVDD 2.4 mA DVDD 36.0 mA Hardware Mode: 18 (MCLK = 50MHz) AVCC_R 45.3 mA AVCC_L 45.3 mA VCCA 0.42 mA AVDD 0.4 mA DVDD 41.6 mA Table 6 – Power consumption with test conditions 1

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 32 Test Conditions 2 (unless otherwise noted) TA = 25oC, AVCC_R = AVCC_L = VCCA = AVDD = +3.3V, DVDD= +1.2V, fs = 48kHz, DAC enabled, streaming zeros Parameter Min Typ Max Unit Hardware Mode: 3 (MCLK = 49.152MHz) AVCC_R 13.7 mA AVCC_L 13.7 mA VCCA 1.0 mA AVDD 2.3 mA DVDD 42.3 mA Hardware Mode: 2 (MCLK = 24.576MHz) AVCC_R 7.6 mA AVCC_L 7.6 mA VCCA 0.6 mA AVDD 2.4 mA DVDD 17.1 mA Hardware Mode: 18 (MCLK = 50MHz) AVCC_R 4.0 mA AVCC_L 4.0 mA VCCA 0.5 mA AVDD 0.4 mA DVDD 29.3 mA Table 7 – Power consumption with test conditions 2

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 33 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Performance Test Conditions 1 (unless otherwise noted) TA = 25oC, AVCC_R = AVCC_L = VCCA = AVDD = +3.3V, DVDD= +1.2V, fs = 48kHz, HW mode 3 Parameter Min Typ Max Unit Resolution

32 Bit

50 MHz

@ fs=48kHz, BW=20Hz-20kHz (differential)

8 Channel

-120 dB THD+N Ratio @ fs=48kHz, BW=20Hz-20kHz (differential) Mono -122 dB DNR (A-weighted)

8 Channel mode – Single channel diff

-60dBFS 132 dB DNR (A-weighted) (Stereo mode – 4 channel sum diff) 137 dB DNR (A-weighted) (Mono mode – 8 channel sum diff) 140 dB Voltage output amplitude Full-scale out 0.889 x AVCC Vpp Voltage output offset Bipolar zero out AVCC/2 V Current output amplitude Full-scale out 1000 x 0.889 x AVCC / Rdac mApp Current output offsets Bipolar zero out 1000 x (AVCC/2 – Vg) / Rdac mA Output impedance (Per + or – pin of each differential DAC output pair) Rdac 195±15% Ω Table 8 – Performance data

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 34 Register Overview I2C Slave Interface (Device Address 0x90, 0x92, 0x94, 0x96) This interface contains Read/Write and Read -only registers. A system clock must be present. Multi-byte registers must be written from LSB to MSB. Data is latched when MSB is written. Multi-byte registers must be read from LSB to MSB. Data is latched when LSB is read. MSB is always stored in the highest register address. Read/Write Register Addresses Registers 0 -130 (0x00 – 0x82) are read/write registers Read-only Register Addresses Register s 224 – 249 (0xE0 – 0xF9) are read only registers. Multi-Byte Registers Multi-byte registers must be written from LSB to MSB. Data is latched when MSB is written. MSB is always stored in the highest register address.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 37 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register Map Addr (Hex) Addr (Dec) Register 7 6 5 4 3 2 1 0 0x00 0 SYSTEM CONFIG SOFT_RESET ENABLE_ 2X_MODE CH78_SEL CH56_SEL CH34_SEL DAC_ MODE_REG RESERVED 0x01 1 SYS MODE CONFIG ENABLE_DAC SYNC_MODE RESERVED ENABLE_SPDIF _DECODE ENABLE_DOP_ DECODE ENABLE_DSD_ DECODE ENABLE_TDM_ DECODE 0x02 2 RESERVED RESERVED 0x03 3 DAC CLOCK CONFIG AUTO_ FS_DETECT SELECT_ IDAC_HALF SELECT_IDAC_NUM 0x04 4 CLOCK CONFIG MASTER_BCK_DIV 0x05 5 CLK GEAR SELECT RESERVED SEL_CLK_GEAR RESERVED AUTO_ CLK_GEAR RESERVED 0x06 - 0x09 6 -

9 RESERVED RESERVED

0x0A 10 INTERUPT VOL MIN MASK P VOL_MIN_CH8_ MASKP VOL_MIN_CH7_ MASKP VOL_MIN_CH6_ MASKP VOL_MIN_CH5_ MASKP VOL_MIN_CH4_ MASKP VOL_MIN_CH3_ MASKP VOL_MIN_CH2_ MASKP VOL_MIN_CH1_ MASKP 0x0B 11 INTERRUPT AUTOMUTE MASKP AUTOMUTE_ FLAG_CH8_ MASKP AUTOMUTE_ FLAG_CH7_ MASKP AUTOMUTE_ FLAG_CH6_ MASKP AUTOMUTE_ FLAG_CH5_ MASKP AUTOMUTE_ FLAG_CH4_ MASKP AUTOMUTE_ FLAG_CH3_ MASKP AUTOMUTE_ FLAG_CH2_ MASKP AUTOMUTE_ FLAG_CH1_ MASKP 0x0C 12 SS FULL RAMP MASKP SS_FULL_ RAMP_CH8_ MASKP SS_FULL_ RAMP_CH7_ MASKP SS_FULL_ RAMP_CH6_ MASKP SS_FULL_ RAMP_CH5_ MASKP SS_FULL_ RAMP_CH4_ MASKP SS_FULL_ RAMP_CH3_ MASKP SS_FULL_ RAMP_CH2_ MASKP SS_FULL_ RAMP_CH1_ MASKP 0x0D 13 INTERRUPT MASKP INPUT_SELECT_OVERRIDE_MASKP TDM_VALID_ EDGE_MASKP RESERVED BCK_WS_ FAIL_MASKP DOP_VALID_ MASKP 0x0E 14 INTERRUPT MASKP RESERVED 0x0F 15 INTERUPT VOL MIN MASKN VOL_MIN_CH8_ MASKN VOL_MIN_CH7_ MASKN VOL_MIN_CH6_ MASKN VOL_MIN_CH5_ MASKN VOL_MIN_CH4_ MASKN VOL_MIN_CH3_ MASKN VOL_MIN_CH2_ MASKN VOL_MIN_CH1_ MASKN 0x10 16 INTERRUPT AUTOMUTE MASKN AUTOMUTE_ FLAG_CH8_ MASKN AUTOMUTE_ FLAG_CH7_ MASKN AUTOMUTE_ FLAG_CH6_ MASKN AUTOMUTE_ FLAG_CH5_ MASKN AUTOMUTE_ FLAG_CH4_ MASKN AUTOMUTE_ FLAG_CH3_ MASKN AUTOMUTE_ FLAG_CH2_ MASKN AUTOMUTE_ FLAG_CH1_ MASKN 0x11 17 INTERRUPT SS FULL RAMP MASKN SS_FULL_ RAMP_CH8_ MASKN SS_FULL_ RAMP_CH7_ MASKN SS_FULL_ RAMP_CH6_ MASKN SS_FULL_ RAMP_CH5_ MASKN SS_FULL_ RAMP_CH4_ MASKN SS_FULL_ RAMP_CH3_ MASKN SS_FULL_ RAMP_CH2_ MASKN SS_FULL_ RAMP_CH1_ MASKN 0x12 18 INTERRUPT MASKN INPUT_SELECT_OVERRIDE_MASKN TDM_VALID_ EDGE_MASKN RESERVED BCK_WS_ FAIL_MASKN DOP_VALID_ MASKN 0x13 19 INTERRUPT MASKN RESERVED 0x14 20 INTERRUPT VOL MIN CLEAR VOL_MIN_CH8_ CLEAR VOL_MIN_CH7_ CLEAR VOL_MIN_CH6_ CLEAR VOL_MIN_CH5_ CLEAR VOL_MIN_CH4_ CLEAR VOL_MIN_CH3_ CLEAR VOL_MIN_CH2_ CLEAR VOL_MIN_CH1_ CLEAR 0x15 21 INTERRUPT AUTOMUTE CLEAR AUTOMUTE_ FLAG_CH8_ CLEAR AUTOMUTE_ FLAG_CH7_ CLEAR AUTOMUTE_ FLAG_CH6_ CLEAR AUTOMUTE_ FLAG_CH5_ CLEAR AUTOMUTE_ FLAG_CH4_ CLEAR AUTOMUTE_ FLAG_CH3_ CLEAR AUTOMUTE_ FLAG_CH2_ CLEAR AUTOMUTE_ FLAG_CH1_ CLEAR 0x16 22 INTERRUPT SS FULL RAMP CLEAR SS_FULL_ RAMP_CH8_ CLEAR SS_FULL_ RAMP_CH7_ CLEAR SS_FULL_ RAMP_CH6_ CLEAR SS_FULL_ RAMP_CH5_ CLEAR SS_FULL_ RAMP_CH4_ CLEAR SS_FULL_ RAMP_CH3_ CLEAR SS_FULL_ RAMP_CH2_ CLEAR SS_FULL_ RAMP_CH1_ CLEAR 0x17 23 INTERRUPT CLEAR INPUT_SELECT_OVERRIDE_CLEAR TDM_VALID_ EDGE_CLEAR RESERVED BCK_WS_ FAIL_CLEAR DOP_VALID_ CLEAR 0x18 24 INTERRUPT CLEAR RESERVED 0x19 25 RESERVED RESERVED 0x1A 26 DPLL BW RESERVED 0x1B 27 DPLL BW RESERVED 0x1C 28 DPLL BW RESERVED 0x1D 29 DPLL BW DPLL_BW RESERVED 0x1E - 0x24 30 -

36 RESERVED RESERVED

0x25 37 GPIO1/2 CONFIG GPIO2_CFG GPIO1_CFG 0x26 38 GPIO3/4 CONFIG GPIO4_CFG GPIO3_CFG 0x27 39 GPIO5/6 CONFIG GPIO6_CFG GPIO5_CFG 0x28 40 GPIO7/8 CONFIG GPIO8_CFG GPIO7_CFG 0x29 41 GPIO OUTPUT ENABLE GPIO8_OE GPIO7_OE GPIO6_OE GPIO5_OE GPIO4_OE GPIO3_OE GPIO2_OE GPIO1_OE 0x2A 42 GPIO INPUT GPIO8_SDB GPIO7_SDB GPIO6_SDB GPIO5_SDB GPIO4_SDB GPIO3_SDB GPIO2_SDB GPIO1_SDB 0x2B 43 GPIO WK EN GPIO8_WK_EN GPIO7_WK_EN GPIO6_WK_EN GPIO5_WK_EN GPIO4_WK_EN GPIO3_WK_EN GPIO2_WK_EN GPIO1_WK_EN 0x2C 44 INVERT GPIO INVERT_GPIO8 INVERT_GPIO7 INVERT_GPIO6 INVERT_GPIO5 INVERT_GPIO4 INVERT_GPIO3 INVERT_GPIO2 INVERT_GPIO1 0x2D 45 GPIO READ GPIO8_READ GPIO7_READ GPIO6_READ GPIO5_READ GPIO4_READ GPIO3_READ GPIO2_READ GPIO1_READ 0x2E 46 GPIO OUTPUT LOGIC GPIO_SEL GPIO_OR_ SS_RAMP GPIO_OR_ VOL_MIN GPIO_OR_ AUTOMUTE GPIO_AND_ SS_RAMP GPIO_AND_ VOL_MIN GPIO_AND_ AUTOMUTE 0x2F 47 GPIO OUTPUT LOGIC GPIO_ DAC_MODE RESERVED GPIO_SEL 0x30 48 PWM1 COUNT PWM1_COUNT 0x31 49 PWM1 FREQUENCY PWM1_FREQ 0x32 50 PWM1 FREQUENCY PWM1_FREQ 0x33 51 PWM2 COUNT PWM2_COUNT 0x34 52 PWM2 FREQUENCY PWM2_FREQ 0x35 53 PWM2 FREQUENCY PWM2_FREQ 0x36 54 PWM3 COUNT PWM3_COUNT 0x37 55 PWM3 FREQUENCY PWM3_FREQ 0x38 56 PWM3 FREQUENCY PWM3_FREQ 0x39 57 INPUT SELECTION AUTO_ CH_DETECT ENABLE_ DSD_FAULT_ DETECTION DSD_MASTER_ MODE PCM_MASTER_ MODE RESERVED INPUT_SEL AUTO_ INPUT_SEL 0x3A 58 SERIAL MASTER ENCODER CONFIG TDM_RESYNC BCK_INV RESERVED MASTER_FRAME_LENGTH MASTER_WS_ PULSE_MODE MASTER_ WS_INVERT MASTER_ BCK_INVERT 0x3B 59 TDM CONFIG RESERVED TDM_CH_NUM 0x3C 60 TDM CONFIG1 TDM_LJ_MODE TDM_VALID_ED GE RESERVED 0x3D 61 TDM CONFIG2 RESERVED TDM_BIT_WIDTH TDM_DATA_LATCH_ADJ

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 38 0x3E 62 BCK/WS MONITOR CONFIG DISABLE_ DSD_DC DISABLE_ DSD_MUTE ENABLE_WS_ MONITOR ENABLE_BCK_ MONITOR DISABLE_ PCM_DC RESERVED 0x3F 63 RESERVED RESERVED 0x40 64 TDM CH1 CONFIG RESERVED TDM_CH1_LINE_SEL TDM_CH1_SLOT_SEL 0x41 65 TDM CH2 CONFIG RESERVED TDM_CH2_LINE_SEL TDM_CH2_SLOT_SEL 0x42 66 TDM CH3 CONFIG RESERVED TDM_CH3_LINE_SEL TDM_CH3_SLOT_SEL 0x43 67 TDM CH4 CONFIG RESERVED TDM_CH4_LINE_SEL TDM_CH4_SLOT_SEL 0x44 68 TDM CH5 CONFIG RESERVED TDM_CH5_LINE_SEL TDM_CH5_SLOT_SEL 0x45 69 TDM CH6 CONFIG RESERVED TDM_CH6_LINE_SEL TDM_CH6_SLOT_SEL 0x46 70 TDM CH7 CONFIG RESERVED TDM_CH7_LINE_SEL TDM_CH7_SLOT_SEL 0x47 71 TDM CH8 CONFIG RESERVED TDM_CH8_LINE_SEL TDM_CH8_SLOT_SEL 0x48 - 0x49 72 -

73 RESERVED RESERVED

0x52 82 DAC VOL UP RATE DAC_VOL_RATE_UP 0x53 83 DAC VOL DOWN RATE DAC_VOL_RATE_DOWN 0x54 84 DAC VOL DOWN RATE FAST DAC_VOL_RATE_FAST 0x55 85 RESERVED RESERVED 0x56 86 DAC MUTE DAC_MUTE_ CH8 DAC_MUTE_ CH7 DAC_MUTE_ CH6 DAC_MUTE_ CH5 DAC_MUTE_ CH4 DAC_MUTE_ CH3 DAC_MUTE_ CH2 DAC_MUTE_ CH1 0x57 87 DAC INVERT DAC_INVERT_ CH8 DAC_INVERT_ CH7 DAC_INVERT_ CH6 DAC_INVERT_ CH5 DAC_INVERT_ CH4 DAC_INVERT_ CH3 DAC_INVERT_ CH2 DAC_INVERT_ CH1 0x58 88 FILTER SHAPE RESERVED FILTER_SHAPE 0x59 89 S/PDIF PIN SELECT SPDIF_SEL VOLUME_HOLD IIR_BW 0x5A 90 DAC PATH CONFIG RESERVED BYPASS_IIR BYPASS_FIR4X BYPASS_FIR2X 0x5B 91 THD_C2_L THD_C2_0 0x5C 92 THD_C2_L THD_C2_0 0x5D 93 THD_C2_L THD_C2_1 0x5E 94 THD_C2_L THD_C2_1 0x5F 95 THD_C2_L THD_C2_2 0x60 96 THD_C2_L THD_C2_2 0x61 97 THD_C2_L THD_C2_3 0x62 98 THD_C2_L THD_C2_3 0x63 99 THD_C2_H THD_C2_4 0x64 100 THD_C2_H THD_C2_4 0x65 101 THD_C2_H THD_C2_5 0x66 102 THD_C2_H THD_C2_5 0x67 103 THD_C2_H THD_C2_6 0x68 104 THD_C2_H THD_C2_6 0x69 105 THD_C2_H THD_C2_7 0x6A 106 THD_C2_H THD_C2_7 0x6B 107 THD_C3_L THD_C3_0 0x6C 108 THD_C3_L THD_C3_0 0x6D 109 THD_C3_L THD_C3_1 0x6E 110 THD_C3_L THD_C3_1 0x6F 111 THD_C3_L THD_C3_2 0x70 112 THD_C3_L THD_C3_2 0x71 113 THD_C3_L THD_C3_3 0x72 114 THD_C3_L THD_C3_3 0x73 115 THD_C3_H THD_C3_4 0x74 116 THD_C3_H THD_C3_4 0x75 117 THD_C3_H THD_C3_5 0x76 118 THD_C3_H THD_C3_5 0x77 119 THD_C3_H THD_C3_6 0x78 120 THD_C3_H THD_C3_6 0x79 121 THD_C3_H THD_C3_7 0x7A 122 THD_C3_H THD_C3_7 0x7B 123 AUTOMUTE ENABLE AUTOMUTE_ EN_CH8 AUTOMUTE_ EN_CH7 AUTOMUTE_ EN_CH6 AUTOMUTE_ EN_CH5 AUTOMUTE_ EN_CH4 AUTOMUTE_ EN_CH3 AUTOMUTE_ EN_CH2 AUTOMUTE_ EN_CH1 0x7C 124 AUTOMUTE TIME AUTOMUTE_TIME 0x7D 125 AUTOMUTE TIME RESERVED AUTOMUTE_ RAMP_TO_ GROUND AUTOMUTE_TIME 0x7E 126 AUTOMUTE LEVEL AUTOMUTE_LEVEL 0x7F 127 AUTOMUTE LEVEL AUTOMUTE_LEVEL 0x80 128 AUTOMUTE OFF LEVEL AUTOMUTE_OFF_LEVEL 0x81 129 AUTOMUTE OFF LEVEL AUTOMUTE_OFF_LEVEL 0x82 130 SOFT RAMP CONFIG RESERVED SOFT_RAMP_TIME 0x83 - 0x86 131 -

134 RESERVED RESERVED

0x87 135 PROGRAM RAM CONTROL RESERVED PROG_ |COEFF_WE PROG_ COEFF_EN 0x88 136 RESERVED RESERVED 0x89 137 PROGRAM RAM ADDRESS PROG_COEFF_ STAGE PROG_COEFF_ADDR 0x8A 138 PROGRAM RAM DATA PROG_COEFF_IN 0x8B 139 PROGRAM RAM DATA PROG_COEFF_IN 0x8C 140 PROGRAM RAM DATA PROG_COEFF_IN 0x8D 141 MQA CONFIG (ES9039MPRO only) RESERVED MQB_READER_ENABLE MQA_ RENDERING_ ENABLE

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 39 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 0x8E - 0x91 142 -

145 RESERVED RESERVED

0xE0 224 SYS READ RESERVED MODES ADDR1 ADDR0 0xE1 225 CHIP ID READ CHIP_ID 0xE2 - 0xE4 226 -

228 RESERVED RESERVED

0xE5 229 INTERRUPT STATE VOL_MIN_STATE 0xE6 230 INTERRUPT STATE AUTOMUTE_STATE 0xE7 231 INTERRUPT STATE SS_FULL_RAMP_STATE 0xE8 232 INTERRUPT STATE INPUT_SELECT_OVERRIDE_STATE TDM_ DATA_VALID_ STATE RESERVED BCK_WS_FAIL_ STATE DOP_VALID_ STATE 0xE9 233 INTERRUPT STATE RESERVED 0xEA 234 INTERRUPT SOURCE VOL_MIN_SOURCE 0xEB 235 INTERRUPT SOURCE AUTOMUTE_SOURCE 0xEC 236 INTERRUPT SOURCE SS_FULL_RAMP_SOURCE 0xED 237 INTERRUPT SOURCE INPUT_SELECT_ OVERRIDE_SOURCE TDM_ DATA_VALID_ SOURCE RESERVED BCK_WS_FAIL_ SOURCE DOP_VALID_ SOURCE 0xEE 238 INTERRUPT SOURCE RESERVED 0xEF 239 RATIO VALID READ RATIO_VALID RESERVED 0xF0 240 GPIO READ GPIO8_I_READ GPIO7_I_READ GPIO6_I_READ GPIO5_I_READ GPIO4_I_READ GPIO3_I_READ GPIO2_I_READ GPIO1_I_READ 0xF1 241 VOL MIN READ VOL_MIN_CH8 VOL_MIN_CH7 VOL_MIN_CH6 VOL_MIN_CH5 VOL_MIN_CH4 VOL_MIN_CH3 VOL_MIN_CH2 VOL_MIN_CH1 0xF2 242 AUTOMUTE READ AUTOMUTE_ CH8 AUTOMUTE_ CH7 AUTOMUTE_ CH6 AUTOMUTE_ CH5 AUTOMUTE_ CH4 AUTOMUTE_ CH3 AUTOMUTE_ CH2 AUTOMUTE_ CH1 0xF3 243 SOFT RAMP UP READ SS_RAMP_ UP_CH8 SS_RAMP_ UP_CH7 SS_RAMP_ UP_CH6 SS_RAMP_ UP_CH5 SS_RAMP_ UP_CH4 SS_RAMP_ UP_CH3 SS_RAMP_ UP_CH2 SS_RAMP_ UP_CH1 0xF4 244 SOFT RAMP DOWN READ SS_RAMP_ DOWN_CH8 SS_RAMP_ DOWN_CH7 SS_RAMP_ DOWN_CH6 SS_RAMP_ DOWN_CH5 SS_RAMP_ DOWN_CH4 SS_RAMP_ DOWN_CH3 SS_RAMP_DO WN_CH2 SS_RAMP_ DOWN_CH1 0xF5 245 SPDIF, TDM, DOP, AND INPUT READBACK SPDIF_VALID TDM_ DATA_VALID DOP_VALID INPUT_SELECT_OVERRIDE 0xF6 246 PROG COEFF OUT READ PROG_COEFF_OUT 0xF7 247 PROG COEFF OUT READ PROG_COEFF_OUT 0xF8 248 PROG COEFF OUT READ PROG_COEFF_OUT 0xF9 - 0xFB 249 -

251 RESERVED RESERVED

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 40 Register Listings Some reserved registers values might be asserted in default mode. This is normal and does not need to be changed. System Registers Register 0: SYSTEM CONFIG Default 1'b0 1'b0 2'b00 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] SOFT_RESET Performs soft reset to digital core.

1'b0: Normal operation
1'b1: Reset digital core (all settings are set to default) [6] ENABLE_64FS_MODE Enables 64FS mode to run the DAC interpolation path at 64FS.
1'b0: 64FS mode disabled (default)
1'b1: 64FS mode enabled Note: This mode should be used for high sample rate (i.e., 705.6/768kHz) [5:4] CH78_SEL Selects ch7/8 nsmod input.
2'b00: Input from ch7/8 interpolation path (default)
2'b01: Input from ch5/6 interpolation path
2'b10: Input from ch1/2 interpolation path
2'b11: Reserved [3] CH56_SEL Selects ch5/6 nsmod input.
1'b0: Input from ch5/6 interpolation path (default)
1'b1: Input from ch1/2 interpolation path [2] CH34_SEL Selects ch3/4 nsmod input.
1'b0: Input from ch3/4 interpolation path (default)
1'b1: Input from ch1/2 interpolation path [1] DAC_MODE_REG Enables DAC data path
1'b0: DAC disabled
1'b1: DAC enabled [0] RESERVED NA

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 41 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 1: SYS MODE CONFIG Default 1'b1 1'b0 2'b11 1'b0 1'b0 1'b0 1'b1 Bits Mnemonic Description [7] ENABLE_DAC_CLK Enables DAC interpolation path clock.

1'b0: Clock disabled
1'b1: Clock enabled (default) [6] SYNC_MODE Enables SYNC mode
1'b0: ASYNC mode enabled (default)
1'b1: SYNC mode enabled [5:4] RESERVED NA [3] ENABLE_SPDIF_DECODE Enables S/PDIF decoding.
1'b0: Disabled (default)
1'b1: Enabled [2] ENABLE_DOP_DECODE Enables DoP decoding.
1'b0: Disabled (default)
1'b1: Enabled [1] ENABLE_DSD_DECODE Enables DSD decoding.
1'b0: Disabled (default)
1'b1: Enabled [0] ENABLE_TDM_DECODE Enables TDM decoding.
1'b0: Disabled (default)
1'b1: Enabled Register 2: RESERVED Register 3: DAC CLOCK CONFIG Bits [7] [6] [5:0] Default 1'b1 1'b0 6'd0 Bits Mnemonic Description [7] AUTO_FS_DETECT • 1'b0: Disabled
1'b1: Auto tune CLK_DAC/CLK_IDAC ratio according to detected FS (default) Note: Cannot be used in ASYNC mode [6] SELECT_IDAC_HALF • 1'b0: Divide by SELECT_IDAC_NUM + 1 (default)
1'b1: Divide by half of SELECT_IDAC_NUM + 1 Note: Can only produce half of an odd number divide [5:0] SELECT_IDAC_NUM CLK_IDAC divider. Whole number divide value + 1 for CLK_IDAC (SYS_CLK/divide_value).
6'd0: Whole number divide value + 1 = 1
6'd1: Whole number divide value + 1 = 2
6'd63: Whole number divide value + 1 = 64

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 42 Register 4: CLOCK CONFIG Bits [7:0] Default 8'd7 Bits Mnemonic Description [7:0] MASTER_BCK_DIV Master mode clock divider. Whole number divide value + 1 for CLK_Master (SYS_CLK/divide_value). Register 5: CLK GEAR SELECT Default 2'b00 2'd0 1'b0 1'b0 2'b00 Bits Mnemonic Description [7:6] RESERVED NA [5:4] SEL_CLK_GEAR Clock Gearing

2'd0: SYS_CLK/1
2'd1: SYS_CLK/2
2'd2: SYS_CLK/4
2'd3: SYS_CLK/8 [3] RESERVED NA [2] AUTO_CLK_GEAR • 1'b0: Disable automatic clock gearing. SYS_CLK = SEL_CLK_GEAR
1'b1: Enable automatic clock gearing. SYS_CLK will increase up to SEL_CLK_GEAR [1:0] RESERVED NA Register 9-7: RESERVED

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 43 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 10: INTERUPT VOL MIN MASK P Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] VOL_MIN_CH8_MASKP Masks negative to positive interrupt toggling.

1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [6] VOL_MIN_CH7_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [5] VOL_MIN_CH6_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [4] VOL_MIN_CH5_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [3] VOL_MIN_CH4_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [2] VOL_MIN_CH3_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [1] VOL_MIN_CH2_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [0] VOL_MIN_CH1_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 44 Register 11: INTERRUPT AUTOMUTE MASKP Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] AUTOMUTE_FLAG_CH8_MASKP Masks negative to positive interrupt toggling.

1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [6] AUTOMUTE_FLAG_CH7_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [5] AUTOMUTE_FLAG_CH6_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [4] AUTOMUTE_FLAG_CH5_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [3] AUTOMUTE_FLAG_CH4_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [2] AUTOMUTE_FLAG_CH3_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [1] AUTOMUTE_FLAG_CH2_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [0] AUTOMUTE_FLAG_CH1_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 45 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 12: SS FULL RAMP MASKP Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] SS_FULL_RAMP_CH8_MASKP Masks negative to positive interrupt toggling.

1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [6] SS_FULL_RAMP_CH7_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [5] SS_FULL_RAMP_CH6_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [4] SS_FULL_RAMP_CH5_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [3] SS_FULL_RAMP_CH4_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [2] SS_FULL_RAMP_CH3_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [1] SS_FULL_RAMP_CH2_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [0] SS_FULL_RAMP_CH1_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 46 Register 14-13: INTERRUPT MASKP Default 8'd0 2'b00 1'b0 3'b000 1'b0 1'b0 Bits Mnemonic Description [15:8] RESERVED NA [7:6] INPUT_SELECT_OVERRIDE_MASKP Masks negative to positive interrupt toggling.

1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [5] TDM_VALID_EDGE_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [4:2] RESERVED NA [1] BCK_WS_FAIL_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive [0] DOP_VALID_MASKP Masks negative to positive interrupt toggling.
1'b0: Ignore interrupt if toggled from negative to positive
1'b1: Service interrupt if toggled from negative to positive

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 47 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 15: INTERUPT VOL MIN MASKN Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] VOL_MIN_CH8_MASKN Masks positive to negative interrupt toggling.

1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [6] VOL_MIN_CH7_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [5] VOL_MIN_CH6_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [4] VOL_MIN_CH5_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [3] VOL_MIN_CH4_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [2] VOL_MIN_CH3_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [1] VOL_MIN_CH2_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [0] VOL_MIN_CH1_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 48 Register 16: INTERRUPT AUTOMUTE MASKN Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] AUTOMUTE_FLAG_CH8_MASKN Masks positive to negative interrupt toggling.

1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [6] AUTOMUTE_FLAG_CH7_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [5] AUTOMUTE_FLAG_CH6_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [4] AUTOMUTE_FLAG_CH5_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [3] AUTOMUTE_FLAG_CH4_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [2] AUTOMUTE_FLAG_CH3_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [1] AUTOMUTE_FLAG_CH2_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [0] AUTOMUTE_FLAG_CH1_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 49 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 17: INTERRUPT SS FULL RAMP MASKN Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] SS_FULL_RAMP_CH8_MASKN Masks positive to negative interrupt toggling.

1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [6] SS_FULL_RAMP_CH7_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [5] SS_FULL_RAMP_CH6_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [4] SS_FULL_RAMP_CH5_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [3] SS_FULL_RAMP_CH4_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [2] SS_FULL_RAMP_CH3_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [1] SS_FULL_RAMP_CH2_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [0] SS_FULL_RAMP_CH1_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 50 Register 19-18: INTERRUPT MASKN Default 8'd0 2'b00 1'b0 3'b000 1'b0 1'b0 Bits Mnemonic Description [15:8] RESERVED NA [7:6] INPUT_SELECT_OVERRIDE_MASKN Masks positive to negative interrupt toggling.

1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [5] TDM_VALID_EDGE_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [4:2] RESERVED NA [1] BCK_WS_FAIL_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative [0] DOP_VALID_MASKN Masks positive to negative interrupt toggling.
1'b0: Ignore interrupt if toggled from positive to negative
1'b1: Service interrupt if toggled from positive to negative Register 20: INTERRUPT VOL MIN CLEAR Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] VOL_MIN_CH8_CLEAR Write a 1'b1 to clear the interrupt [6] VOL_MIN_CH7_CLEAR Write a 1'b1 to clear the interrupt [5] VOL_MIN_CH6_CLEAR Write a 1'b1 to clear the interrupt [4] VOL_MIN_CH5_CLEAR Write a 1'b1 to clear the interrupt [3] VOL_MIN_CH4_CLEAR Write a 1'b1 to clear the interrupt [2] VOL_MIN_CH3_CLEAR Write a 1'b1 to clear the interrupt [1] VOL_MIN_CH2_CLEAR Write a 1'b1 to clear the interrupt [0] VOL_MIN_CH1_CLEAR Write a 1'b1 to clear the interrupt

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 51 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 21: INTERRUPT AUTOMUTE CLEAR Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] AUTOMUTE_FLAG_CH8_CLEAR Write a 1'b1 to clear the interrupt [6] AUTOMUTE_FLAG_CH7_CLEAR Write a 1'b1 to clear the interrupt [5] AUTOMUTE_FLAG_CH6_CLEAR Write a 1'b1 to clear the interrupt [4] AUTOMUTE_FLAG_CH5_CLEAR Write a 1'b1 to clear the interrupt [3] AUTOMUTE_FLAG_CH4_CLEAR Write a 1'b1 to clear the interrupt [2] AUTOMUTE_FLAG_CH3_CLEAR Write a 1'b1 to clear the interrupt [1] AUTOMUTE_FLAG_CH2_CLEAR Write a 1'b1 to clear the interrupt [0] AUTOMUTE_FLAG_CH1_CLEAR Write a 1'b1 to clear the interrupt Register 22: INTERRUPT SS FULL RAMP CLEAR Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] SS_FULL_RAMP_CH8_CLEAR Write a 1'b1 to clear the interrupt [6] SS_FULL_RAMP_CH7_CLEAR Write a 1'b1 to clear the interrupt [5] SS_FULL_RAMP_CH6_CLEAR Write a 1'b1 to clear the interrupt [4] SS_FULL_RAMP_CH5_CLEAR Write a 1'b1 to clear the interrupt [3] SS_FULL_RAMP_CH4_CLEAR Write a 1'b1 to clear the interrupt [2] SS_FULL_RAMP_CH3_CLEAR Write a 1'b1 to clear the interrupt [1] SS_FULL_RAMP_CH2_CLEAR Write a 1'b1 to clear the interrupt [0] SS_FULL_RAMP_CH1_CLEAR Write a 1'b1 to clear the interrupt Register 24-23: INTERRUPT CLEAR Default 8'd0 2'b00 1'b0 3'b000 1'b0 1'b0 Bits Mnemonic Description [15:8] RESERVED NA [7:6] INPUT_SELECT_OVERRIDE_CLEAR Write a 1'b1 to clear the interrupt [5] TDM_VALID_EDGE_CLEAR Write a 1'b1 to clear the interrupt [4:2] RESERVED NA [1] BCK_WS_FAIL_CLEAR Write a 1'b1 to clear the interrupt [0] DOP_VALID_CLEAR Write a 1'b1 to clear the interrupt Register 25: RESERVED

4'd0: Reserved
4'd1: Lowest Bandwidth
4'd15: Highest Bandwidth [27:0] RESERVED NA Register 36-30: RESERVED

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 53 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM GPIO Registers Register 37: GPIO1/2 CONFIG Bits [7:4] [3:0] Default 4’d7 4’d13 Bits Mnemonic Description [7:4] GPIO2_CFG Configures GPIO2

4’d0: analog shutdown – shutdown
4’d1: output 0 – output
4’d2: output 1 – output
4’d3: CLK_IDAC – output
4’d4: interrupt – output
4’d5: mute all channel – input
4’d6: input selection – input
4’d7: lock_status – output (default)
4’d8: clk_avalid – output
4’d9: output PWM1 – output
4’d10: output PWM2 – output
4’d11: output PWM3 – output
4’d12: volume minimum – output
4’d13: automute status – output
4’d14: soft ramp done – output
4’d15: MQA_AUTH_TRUE – output [3:0] GPIO1_CFG Configures GPIO1
4’d0: analog shutdown – shutdown
4’d1: output 0 – output
4’d2: output 1 – output
4’d3: CLK_IDAC – output
4’d4: interrupt – output
4’d5: mute all channel – input
4’d6: input selection – input
4’d7: lock_status – output
4’d8: clk_avalid – output
4’d9: output PWM1 – output
4’d10: output PWM2 – output
4’d11: output PWM3 – output
4’d12: volume minimum – output
4’d13: automute status – output (default)
4’d14: soft ramp done – output
4’d15: MQA_AUTH_TRUE – output

4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output [3:0] GPIO3_CFG Configures GPIO3
4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 55 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 39: GPIO5/6 CONFIG Bits [7:4] [3:0] Default 4'd0 4'd0 Bits Mnemonic Description [7:4] GPIO6_CFG Configures GPIO6

4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output [3:0] GPIO5_CFG Configures GPIO5
4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output

4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output [3:0] GPIO7_CFG Configures GPIO7
4'd0: analog shutdown - shutdown
4'd1: output 0 - output
4'd2: output 1 - output
4'd3: CLK_IDAC - output
4'd4: interrupt - output
4'd5: mute all channel - input
4'd6: input selection - input
4'd7: lock_status - output
4'd8: clk_avalid - output
4'd9: output PWM1 - output
4'd10: output PWM2 - output
4'd11: output PWM3 - output
4'd12: volume minimum - output
4'd13: automute status - output
4'd14: soft ramp done - output
4'd15: MQA_AUTH_TRUE - output

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 57 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 41: GPIO OUTPUT ENABLE Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b1 1'b1 Bits Mnemonic Description [7] GPIO8_OE • 1'b0: Tristate GPIO8 (default)

1'b1: GPIO8 Output Enable [6] GPIO7_OE • 1'b0: Tristate GPIO7 (default)
1'b1: GPIO7 Output Enable [5] GPIO6_OE • 1'b0: Tristate GPIO6 (default)
1'b1: GPIO6 Output Enable [4] GPIO5_OE • 1'b0: Tristate GPIO5 (default)
1'b1: GPIO5 Output Enable [3] GPIO4_OE • 1'b0: Tristate GPIO4 (default)
1'b1: GPIO4 Output Enable [2] GPIO3_OE • 1'b0: Tristate GPIO3 (default)
1'b1: GPIO3 Output Enable [1] GPIO2_OE • 1'b0: Tristate GPIO2
1'b1: GPIO2 Output Enable (default) [0] GPIO1_OE • 1'b0: Tristate GPIO1
1'b1: GPIO1 Output Enable (default) Register 42: GPIO INPUT Default 1'b0 1'b0 1'b0 1'b1 1'b1 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] GPIO8_SDB • 1'b0: Disables GPIO8 input (default)
1'b1: Enables GPIO8 input [6] GPIO7_SDB • 1'b0: Disables GPIO7 input (default)
1'b1: Enables GPIO7 input [5] GPIO6_SDB • 1'b0: Disables GPIO6 input (default)
1'b1: Enables GPIO6 input [4] GPIO5_SDB • 1'b0: Disables GPIO5 input
1'b1: Enables GPIO5 input (default) [3] GPIO4_SDB • 1'b0: Disables GPIO4 input
1'b1: Enables GPIO4 input (default) [2] GPIO3_SDB • 1'b0: Disables GPIO3 input (default)
1'b1: Enables GPIO3 input [1] GPIO2_SDB • 1'b0: Disables GPIO2 input (default)
1'b1: Enables GPIO2 input [0] GPIO1_SDB • 1'b0: Disables GPIO1 input (default)
1'b1: Enables GPIO1 input

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 58 Register 43: GPIO WK EN Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] GPIO8_WK_EN • 1'b0: GPIO8 weak keeper disabled (default)

1'b1: GPIO8 weak keeper enabled [6] GPIO7_WK_EN • 1'b0: GPIO7 weak keeper disabled (default)
1'b1: GPIO7 weak keeper enabled [5] GPIO6_WK_EN • 1'b0: GPIO6 weak keeper disabled (default)
1'b1: GPIO6 weak keeper enabled [4] GPIO5_WK_EN • 1'b0: GPIO5 weak keeper disabled (default)
1'b1: GPIO5 weak keeper enabled [3] GPIO4_WK_EN • 1'b0: GPIO4 weak keeper disabled (default)
1'b1: GPIO4 weak keeper enabled [2] GPIO3_WK_EN • 1'b0: GPIO3 weak keeper disabled (default)
1'b1: GPIO3 weak keeper enabled [1] GPIO2_WK_EN • 1'b0: GPIO2 weak keeper disabled (default)
1'b1: GPIO2 weak keeper enabled [0] GPIO1_WK_EN • 1'b0: GPIO1 weak keeper disabled (default)
1'b1: GPIO1 weak keeper enabled Register 44: INVERT GPIO Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] INVERT_GPIO8 • 1'b1: Inverts GPIO8 output. [6] INVERT_GPIO7 • 1'b1: Inverts GPIO7 output. [5] INVERT_GPIO6 • 1'b1: Inverts GPIO6 output. [4] INVERT_GPIO5 • 1'b1: Inverts GPIO5 output. [3] INVERT_GPIO4 • 1'b1: Inverts GPIO4 output. [2] INVERT_GPIO3 • 1'b1: Inverts GPIO3 output. [1] INVERT_GPIO2 • 1'b1: Inverts GPIO2 output. [0] INVERT_GPIO1 • 1'b1: Inverts GPIO1 output.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 59 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 45: GPIO READ Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] GPIO8_READ • 1'b0: GPIO8 Readback disabled (default)

1'b1: Allow readback of GPIO8_I [6] GPIO7_READ • 1'b0: GPIO7 Readback disabled (default)
1'b1: Allow readback of GPIO7_I [5] GPIO6_READ • 1'b0: GPIO6 Readback disabled (default)
1'b1: Allow readback of GPIO6_I [4] GPIO5_READ • 1'b0: GPIO5 Readback disabled (default)
1'b1: Allow readback of GPIO5_I [3] GPIO4_READ • 1'b0: GPIO4 Readback disabled (default)
1'b1: Allow readback of GPIO4_I [2] GPIO3_READ • 1'b0: GPIO3 Readback disabled (default)
1'b1: Allow readback of GPIO3_I [1] GPIO2_READ • 1'b0: GPIO2 Readback disabled (default)
1'b1: Allow readback of GPIO2_I [0] GPIO1_READ • 1'b0: GPIO1 Readback disabled (default)
1'b1: Allow readback of GPIO1_I

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 60 Register 47-46: GPIO OUTPUT LOGIC Default 1'b0 6'd0 3'd0 1'b0 1'b0 1'b0 1'b1 1'b1 1'b1 Bits Mnemonic Description [15] GPIO_DAC_MODE When any GPIOx_CFG = 6 (input system mode control):

1'b0: Power down when GPIO input is 1
1'b1: HIFI when GPIO input is 1 (when GPIO input is 0, system mode is determined by register DAC_MODE_REG (register 0, bit[1])) [14:9] RESERVED NA [8:6] GPIO_SEL When GPIOx_CFG = 12, 13 or 14, and the corresponding GPIO_AND and GPIO_OR are not set:
3'd0: Outputs status/flag from ch1
3'd1: Outputs status/flag from ch2
3'd2: Outputs status/flag from ch3
3'd3: Outputs status/flag from ch4
3'd4: Outputs status/flag from ch5
3'd5: Outputs status/flag from ch6
3'd6: Outputs status/flag from ch7
3'd7: Outputs status/flag from ch8 [5] GPIO_OR_SS_RAMP When GPIOx_CFG = 14 (output soft ramp done flag):
1'b0: The soft ramp done flag is determined by GPIO_AND_SS_RAMP and GPIO_SEL (default)
1'b1: The soft ramp done flag is the "OR" of all 8ch soft ramp done flags [4] GPIO_OR_VOL_MIN When GPIOx_CFG = 12 (output vol_min flag):
1'b0: The vol_min flag is determined by GPIO_AND_VOL_MIN and GPIO_SEL (default)
1'b1: The vol_min flag is the "OR" of all 8ch vol_min flags [3] GPIO_OR_AUTOMUTE When GPIOx_CFG = 13 (output automute status):
1'b0: The automute status is determined by GPIO_AND_AUTOMUTE and GPIO_SEL (default)
1'b1: The automute status is the "OR" of all 8ch automute status [2] GPIO_AND_SS_RAMP When GPIOx_CFG = 14 (output soft ramp done flag) and GPIO_OR_SS_RAMP is not set:
1'b0: The soft ramp done flag is from a single channel selected by GPIO_SEL
1'b1: The soft ramp done flag is the "AND" of all 8ch soft ramp done flags (default) [1] GPIO_AND_VOL_MIN When GPIOx_CFG = 12 (output vol_min flag) and GPIO_OR_VOL_MIN is not set:
1'b0: The vol_min flag is from a single channel selected by GPIO_SEL
1'b1: The vol_min flag is the "AND" of all 8ch vol_min flags (default) [0] GPIO_AND_AUTOMUTE When GPIOx_CFG = 13 (output automute status) and GPIO_OR_AUTOMUTE is not set:
1'b0: The automute status is from a single channel selected by GPIO_SEL
1'b1: The automute status is the "AND" of all 8ch automute status (default)

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 61 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 48: PWM1 COUNT Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] PWM1_COUNT 8-bit value to set the number of SYS_CLK periods the PWM signal is high for. Valid from 8'd0 to 8'd255 Register 50-49: PWM1 FREQUENCY Bits [15:0] Default 16'd0 Bits Mnemonic Description [15:0] PWM1_FREQ 16-bit value to set the frequency of the PWM signal in terms of SYS_CLK divisions. Valid from 16'h0000 to 16'hFFFF 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 (𝐻𝑧) = 𝑆𝑌𝑆_𝐶𝐿𝐾 𝑃𝑊𝑀1_𝐹𝑅𝐸𝑄 + 1 𝐷𝑢𝑡𝑦 𝐶𝑦𝑐𝑙𝑒 (%) = (1 − (𝑃𝑊𝑀1_𝐹𝑅𝐸𝑄 + 1) − 𝑃𝑊𝑀1_𝐶𝑂𝑈𝑁𝑇 𝑃𝑊𝑀1_𝐹𝑅𝐸𝑄 + 1 ) × 100 Register 51: PWM2 COUNT Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] PWM2_COUNT 8-bit value to set the number of SYS_CLK periods the PWM signal is high for. Valid from 8'd0 to 8'd255 Register 53-52: PWM2 FREQUENCY Bits [15:0] Default 16'd0 Bits Mnemonic Description [15:0] PWM2_FREQ 16-bit value to set the frequency of the PWM signal in terms of SYS_CLK divisions. Valid from 16'h0000 to 16'hFFFF 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 (𝐻𝑧) = 𝑆𝑌𝑆_𝐶𝐿𝐾 𝑃𝑊𝑀2_𝐹𝑅𝐸𝑄 + 1 𝐷𝑢𝑡𝑦 𝐶𝑦𝑐𝑙𝑒 (%) = (1 − (𝑃𝑊𝑀2_𝐹𝑅𝐸𝑄 + 1) − 𝑃𝑊𝑀2_𝐶𝑂𝑈𝑁𝑇 𝑃𝑊𝑀2_𝐹𝑅𝐸𝑄 + 1 ) × 100

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 62 Register 54: PWM3 COUNT Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] PWM3_COUNT 8-bit value to set the number of SYS_CLK periods the PWM signal is high for. Valid from 8'd0 to 8'd255 Register 56-55: PWM3 FREQUENCY Bits [15:0] Default 16'd0 Bits Mnemonic Description [15:0] PWM3_FREQ 16-bit value to set the frequency of the PWM signal in terms of SYS_CLK divisions. Valid from 16'h0000 to 16'hFFFF 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 (𝐻𝑧) = 𝑆𝑌𝑆_𝐶𝐿𝐾 𝑃𝑊𝑀3_𝐹𝑅𝐸𝑄 + 1 𝐷𝑢𝑡𝑦 𝐶𝑦𝑐𝑙𝑒 (%) = (1 − (𝑃𝑊𝑀3_𝐹𝑅𝐸𝑄 + 1) − 𝑃𝑊𝑀3_𝐶𝑂𝑈𝑁𝑇 𝑃𝑊𝑀3_𝐹𝑅𝐸𝑄 + 1 ) × 100

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 63 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM DAC Registers Register 57: INPUT SELECTION Default 1'b0 1'b1 1'b0 1'b0 1'b0 2'd0 1'b0 Bits Mnemonic Description [7] AUTO_CH_DETECT Auto detect BCK/FRAME ratio to determine the number of TDM channels

1'b0: Disabled (default)
1'b1: Enabled [6] ENABLE_DSD_FAULT_DETECTION • 1'b0: Disabled
1'b1: Enabled (default) [5] DSD_MASTER_MODE DSD master mode config.
1'b0: DSD slave mode (default)
1'b1: DSD master mode. DSD_CLK outputs from DATA_CLK [4] PCM_MASTER_MODE PCM master mode config.
1'b0: PCM slave mode (default)
1'b1: PCM master mode enabled. Master BCK and WS output from DATA_CLK and DATA1 [3] RESERVED NA [2:1] INPUT_SEL Selects input data format when AUTO_INPUT_SELECT is disabled.
2'd0: TDM (default)
2'd1: DSD
2'd2: DoP
2'd3: SPDIF [0] AUTO_INPUT_SEL Automatic input data selection config.
1'b0: Disables auto input select. Input data format is set by INPUT_SEL (default)
1'b1: Automatically determine the input data format. Note: When using AUTO_INPUT_SEL data must be provided on the DATA2 pin, to properly decode the input format

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 64 Register 58: SERIAL MASTER ENCODER CONFIG Default 1'b0 1'b0 1'b0 2'd0 1'b0 1'b0 1'b1 Bits Mnemonic Description [7] TDM_RESYNC Force TDM decoder to resync.

1'b0: Let decoder sync (default)
1'b1: Force decoder not sync [6] BCK_INV Invert the slave BCK
1'b0: Normal operation
1'b1: Invert slave BCK [5] RESERVED NA [4:3] MASTER_FRAME_LENGTH Selects the bit length in each TDM channel in master mode.
2'd0: 32-bit (default)
2'd1: 24-bit
2'd2: 16-bit
2'd3: Reserved [2] MASTER_WS_PULSE_MODE When enabled, master WS is a pulse signal instead of a 50% duty cycle signal. The pulse width is 1 BCK cycle.
1'b0: 50% duty cycle WS signal (default)
1'b1: Pulse WS signal [1] MASTER_WS_INVERT Inverts master WS.
1'b0: Non-inverted (default)
1'b1: Inverted [0] MASTER_BCK_INVERT Inverts master BCK or DSD_CLK.
1'b0: Non-inverted
1'b1: Inverted (default) Register 59: TDM CONFIG Bits [7:5] [4:0] Default 3'd0 5'd1 Bits Mnemonic Description [7:5] RESERVED NA [4:0] TDM_CH_NUM Total number of TDM slots per frame = TDM_CH_NUM + 1.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 65 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 60: TDM CONFIG1 Bits [7] [6] [5:0] Default 1'b0 1'b0 6'd1 Bits Mnemonic Description [7] TDM_LJ_MODE TDM LJ mode.

1'b0: Standard I2S (default)
1'b1: LJ mode [6] TDM_VALID_EDGE TDM WS valid edge.
1'b0: negative edge (default)
1'b1: positive edge [5:0] RESERVED NA Register 61: TDM CONFIG2 Default 1'b1 2'b00 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_BIT_WIDTH Bit width of each TDM slot.
2'b00: 32-bit (default)
2'b01: 24-bit
2'b10: 16-bit
2'b11: Reserved [4:0] TDM_DATA_LATCH_ADJ Sets the position of the start bit within each TDM slot. Can be moved +ve or -ve relative to MSB

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 66 Register 62: BCK/WS MONITOR CONFIG Default 1'b0 1'b0 1'b1 1'b1 1'b0 3'd0 Bits Mnemonic Description [7] DISABLE_DSD_DC • 1'b0: DSD DC can trigger an automute if automute is enabled (default)

1'b1: DSD DC is ignored. [6] DISABLE_DSD_MUTE • 1'b0: DSD mute pattern can trigger an automute is automute is enabled (default)
1'b1: DSD mute pattern is ignored. [5] ENABLE_WS_MONITOR Enable WS monitor.
1'b0: Disable
1'b1: Enable (default) [4] ENABLE_BCK_MONITOR Enable BCK monitor.
1'b0: Disable (default)
1'b1: Enable [3] DISABLE_PCM_DC • 1'b0: PCM DC signal can trigger an automute if automute is enabled.
1'b1: PCM DC is ignored. [2:0] RESERVED NA Register 63: RESERVED Register 64: TDM CH1 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH1_LINE_SEL CH1 data line selection. CH1 receives data from Nth line. N = TDM_CH1_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH1_SLOT_SEL CH1 data slot selection. CH1 receives data from Mth slot. M = TDM_CH1_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 67 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 65: TDM CH2 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH2_LINE_SEL CH2 data line selection. CH2 receives data from Nth line. N = TDM_CH2_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH2_SLOT_SEL CH2 data slot selection. CH2 receives data from Mth slot. M = TDM_CH2_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP. Register 66: TDM CH3 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH3_LINE_SEL CH3 data line selection. CH3 receives data from Nth line. N = TDM_CH3_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH3_SLOT_SEL CH3 data slot selection. CH3 receives data from Mth slot. M = TDM_CH3_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP. Register 67: TDM CH4 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH4_LINE_SEL CH4 data line selection. CH4 receives data from Nth line. N = TDM_CH4_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH4_SLOT_SEL CH4 data slot selection. CH4 receives data from Mth slot. M = TDM_CH4_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP.

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 68 Register 68: TDM CH5 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH5_LINE_SEL CH5 data line selection. CH5 receives data from Nth line. N = TDM_CH5_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH5_SLOT_SEL CH5 data slot selection. CH5 receives data from Mth slot. M = TDM_CH5_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP. Register 69: TDM CH6 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH6_LINE_SEL CH6 data line selection. CH6 receives data from Nth line. N = TDM_CH6_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH6_SLOT_SEL CH6 data slot selection. CH6 receives data from Mth slot. M = TDM_CH6_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP. Register 70: TDM CH7 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH7_LINE_SEL CH7 data line selection. CH7 receives data from Nth line. N = TDM_CH7_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH7_SLOT_SEL CH7 data slot selection. CH7 receives data from Mth slot. M = TDM_CH7_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 69 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 71: TDM CH8 CONFIG Default 1'b0 2'd0 5'd0 Bits Mnemonic Description [7] RESERVED NA [6:5] TDM_CH8_LINE_SEL CH8 data line selection. CH8 receives data from Nth line. N = TDM_CH8_LINE_SEL + 1. Note: Valid for TDM, PCM and DoP. [4:0] TDM_CH8_SLOT_SEL CH8 data slot selection. CH8 receives data from Mth slot. M = TDM_CH8_SLOT_SEL + 1. Note: Valid for TDM, PCM and DoP. Register 73-72: RESERVED Register 74: VOLUME1 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME1 DAC ch1 volume. -0dB to -127.5dB, 0.5dB steps

8'd0: 0dB
8'd255: -127.5dB Register 75: VOLUME2 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME2 DAC ch2 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB Register 76: VOLUME3 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME3 DAC ch3 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB

8'd0: 0dB
8'd255: -127.5dB Register 78: VOLUME5 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME5 DAC ch5 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB Register 79: VOLUME6 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME6 DAC ch6 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB Register 80: VOLUME7 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME7 DAC ch7 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB Register 81: VOLUME8 Bits [7:0] Default 8'd0 Bits Mnemonic Description [7:0] VOLUME8 DAC ch8 volume. -0dB to -127.5dB, 0.5dB steps
8'd0: 0dB
8'd255: -127.5dB Register 82: DAC VOL UP RATE Bits [7:0] Default 8'd4 Bits Mnemonic Description

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 71 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM [7:0] DAC_VOL_RATE_UP Value by which the old VOLUME value is incremented to reach the new VOLUME value Valid from 8'd0 (instant) to 8'd255 (fastest), where 8'd0 instantly changes the VOLUME value

8'd0: Instant change
8'd4: Default
8'd255: Fastest change 𝑟𝑎𝑚𝑝_𝑟𝑎𝑡𝑒 [𝑠] = 215 𝐷𝐴𝐶_𝑉𝑂𝐿_𝑅𝐴𝑇𝐸_𝑈𝑃 ∗ 𝐹𝑆 Register 83: DAC VOL DOWN RATE Bits [7:0] Default 8'd4 Bits Mnemonic Description [7:0] DAC_VOL_RATE_DOWN Value by which the old VOLUME value is incremented to reach the new VOLUME value Valid from 8'd0 (instant) to 8'd255 (fastest), where 8'd0 instantly changes the VOLUME value
8'd0: Instant change
8'd4: Default
8'd255: Fastest change 𝑟𝑎𝑚𝑝_𝑟𝑎𝑡𝑒 [𝑠] = 215 𝐷𝐴𝐶_𝑉𝑂𝐿_𝑅𝐴𝑇𝐸_𝐷𝑂𝑊𝑁 ∗ 𝐹𝑆 Register 84: DAC VOL DOWN RATE FAST Bits [7:0] Default 8'd255 Bits Mnemonic Description [7:0] DAC_VOL_RATE_FAST Value by which the old VOLUME value is incremented to reach the new VOLUME value Valid from 8'd0 (instant) to 8'd255 (fastest), where 8'd0 instantly changes the VOLUME value Only used during abnormal mute (PLL unlock or BCK_WS ratio failed)
8'd0: Instant change
8'd255: Fastest change (default) 𝑟𝑎𝑚𝑝_𝑟𝑎𝑡𝑒 [𝑠] = 215 𝐷𝐴𝐶_𝑉𝑂𝐿_𝑅𝐴𝑇𝐸_𝐹𝐴𝑆𝑇 ∗ 𝐹𝑆 Register 85: RESERVED Register 86: DAC MUTE Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] DAC_MUTE_CH8 • 1'b0: Normal operation (default)
1'b1: Mute ch8

1'b1: Mute ch7 [5] DAC_MUTE_CH6 • 1'b0: Normal operation (default)
1'b1: Mute ch6 [4] DAC_MUTE_CH5 • 1'b0: Normal operation (default)
1'b1: Mute ch5 [3] DAC_MUTE_CH4 • 1'b0: Normal operation (default)
1'b1: Mute ch4 [2] DAC_MUTE_CH3 • 1'b0: Normal operation (default)
1'b1: Mute ch3 [1] DAC_MUTE_CH2 • 1'b0: Normal operation (default)
1'b1: Mute ch2 [0] DAC_MUTE_CH1 • 1'b0: Normal operation (default)
1'b1: Mute ch1 Register 87: DAC INVERT Default 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] DAC_INVERT_CH8 Invert the output on Ch8 at the input to the NSMOD [6] DAC_INVERT_CH7 Invert the output on Ch7 at the input to the NSMOD [5] DAC_INVERT_CH6 Invert the output on Ch6 at the input to the NSMOD [4] DAC_INVERT_CH5 Invert the output on Ch5 at the input to the NSMOD [3] DAC_INVERT_CH4 Invert the output on Ch4 at the input to the NSMOD [2] DAC_INVERT_CH3 Invert the output on Ch3 at the input to the NSMOD [1] DAC_INVERT_CH2 Invert the output on Ch2 at the input to the NSMOD [0] DAC_INVERT_CH1 Invert the output on Ch1 at the input to the NSMOD

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 73 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 88: FILTER SHAPE Bits [7:3] [2:0] Default 5'd12 3'd0 Bits Mnemonic Description [7:3] RESERVED NA [2:0] FILTER_SHAPE Selects the 8x interpolation FIR filter shape.

3'd0: Minimum phase (default)
3'd1: Linear phase apodizing
3'd2: Linear phase fast roll-off
3'd4: Linear phase slow roll-off
3'd5: Minimum phase fast roll-off
3'd6: Minimum phase slow roll-off
3'd7: Minimum phase slow roll-off low dispersion Register 89: IIR BANDWIDTH & S/PDIF Select Default 4'd0 1'b0 3'd4 Bits Mnemonic Description [7:4] SPDIF_SEL Selects the S/PDIF data input pin
4'd1: GPIO1
4'd2: GPIO2
4'd3: GPIO3
4'd4: DATA1
4'd5: DATA2
4'd6: DATA3
4'd7: DATA4/GPIO4
4'd8: DATA5/GPIO5
4'd9: DATA6/GPIO6
4'd10: DATA7/GPIO7
4'd11: DATA8/GPIO8
Others: Reserved Note: GPIOx pins also require the GPIO input to be enabled [3] VOLUME_HOLD Hold volume coefficients to allow for all channels to update at same time [2:0] IIR_BW Controls the IIR bandwidth in the digital data path
3’d0: Not valid
3’d1: BW*8 (Maximum bandwidth)
3’d2: BW*4
3’d3: BW*2
3’d4: Default BW
3’d5: BW/2
3’d6: BW/4
3’d7: BW/8 (Minimum bandwidth)

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 74 Register 90: DAC PATH CONFIG Default 5'b00000 1'b0 1'b0 1'b0 Bits Mnemonic Description [7:3] RESERVED NA [2] BYPASS_IIR • 1'b0: Non-bypass IIR1 (default)

1'b1: Bypass IIR1 [1] BYPASS_FIR4X • 1'b0: Non-bypass IFir_4x (default)
1'b1: Bypass IFir_4x [0] BYPASS_FIR2X • 1'b0: Non-bypass IFir_2x (default)
1'b1: Bypass IFir_2x Register 98-91: THD_C2_L Default 16'd0 16'd0 16'd0 16'd0 Bits Mnemonic Description [63:48] THD_C2_3 A 16-bit signed coefficient for correcting for the CH4 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [47:32] THD_C2_2 A 16-bit signed coefficient for correcting for the CH3 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [31:16] THD_C2_1 A 16-bit signed coefficient for correcting for the CH2 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [15:0] THD_C2_0 A 16-bit signed coefficient for correcting for the CH1 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 75 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 106-99: THD_C2_H Default 16'd0 16'd0 16'd0 16'd0 Bits Mnemonic Description [63:48] THD_C2_7 A 16-bit signed coefficient for correcting for the CH8 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [47:32] THD_C2_6 A 16-bit signed coefficient for correcting for the CH7 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [31:16] THD_C2_5 A 16-bit signed coefficient for correcting for the CH6 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [15:0] THD_C2_4 A 16-bit signed coefficient for correcting for the CH5 second harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 Register 114-107: THD_C3_L Default 16'd0 16'd0 16'd0 16'd0 Bits Mnemonic Description [63:48] THD_C3_3 A 16-bit signed coefficient for correcting for the CH4 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [47:32] THD_C3_2 A 16-bit signed coefficient for correcting for the CH3 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [31:16] THD_C3_1 A 16-bit signed coefficient for correcting for the CH2 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [15:0] THD_C3_0 A 16-bit signed coefficient for correcting for the CH1 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 76 Register 122-115: THD_C3_H Default 16'd0 16'd0 16'd0 16'd0 Bits Mnemonic Description [63:48] THD_C3_7 A 16-bit signed coefficient for correcting for the CH8 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [47:32] THD_C3_6 A 16-bit signed coefficient for correcting for the CH7 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [31:16] THD_C3_5 A 16-bit signed coefficient for correcting for the CH6 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3 [15:0] THD_C3_4 A 16-bit signed coefficient for correcting for the CH5 third harmonic distortion. 𝑜𝑢𝑡𝑝𝑢𝑡 = 𝑥 + 𝑐2 ∗ 𝑥2 + 𝑐3 ∗ 𝑥3

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 77 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 123: AUTOMUTE ENABLE Default 1'b1 1'b1 1'b1 1'b1 1'b1 1'b1 1'b1 1'b1 Bits Mnemonic Description [7] AUTOMUTE_EN_CH8 • 1'b0: Disables ch8 automute

1'b1: Enables ch8 automute (default) Note: Automute is available for PCM only [6] AUTOMUTE_EN_CH7 • 1'b0: Disables ch7 automute
1'b1: Enables ch7 automute (default) Note: Automute is available for PCM only [5] AUTOMUTE_EN_CH6 • 1'b0: Disables ch6 automute
1'b1: Enables ch6 automute (default) Note: Automute is available for PCM only [4] AUTOMUTE_EN_CH5 • 1'b0: Disables ch5 automute
1'b1: Enables ch5 automute (default) Note: Automute is available for PCM only [3] AUTOMUTE_EN_CH4 • 1'b0: Disables ch4 automute
1'b1: Enables ch4 automute (default) Note: Automute is available for PCM only [2] AUTOMUTE_EN_CH3 • 1'b0: Disables ch3 automute
1'b1: Enables ch3 automute (default) Note: Automute is available for PCM only [1] AUTOMUTE_EN_CH2 • 1'b0: Disables ch2 automute
1'b1: Enables ch2 automute (default) Note: Automute is available for PCM only [0] AUTOMUTE_EN_CH1 • 1'b0: Disables ch1 automute
1'b1: Enables ch1 automute (default) Note: Automute is available for PCM only Register 125-124: AUTOMUTE TIME Default 4'd0 1'b1 11'd15 Bits Mnemonic Description [15:12] RESERVED NA [11] AUTOMUTE_RAMP_TO_GROUND • 1'b0: When ramped to min volume during normal mute, do not soft ramp to ground
1'b1: When ramped to min volume during normal mute, soft ramp to ground for power saving (default) normal mute includes: automute, mute by register, mute by GPIO [10:0] AUTOMUTE_TIME Configures the amount of time in seconds the audio must remain below AUTOMUTE_LEVEL before an automute condition is flagged. Valid from 0 (disabled) to 11'h7FF (fastest), where 11'h001 is the slowest 𝑇𝑖𝑚𝑒 [𝑠] = 218 𝐴𝑈𝑇𝑂𝑀𝑈𝑇𝐸_𝑇𝐼𝑀𝐸 ∗ 𝐹𝑆 Register 127-126: AUTOMUTE LEVEL Bits [15:0] Default 16'0008

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 78 Bits Mnemonic Description [15:0] AUTOMUTE_LEVEL Configures the threshold which the audio must be below before an automute condition is flagged. Valid from: 16'hFFFF (-42dB) to 16'h0001 (-132dB) Shift right 1 bit corresponds to -6dB Note: this register works in tandem with AUTOMUTE_TIME to create the automute condition Register 129-128: AUTOMUTE OFF LEVEL Bits [15:0] Default 16'000A Bits Mnemonic Description [15:0] AUTOMUTE_OFF_LEVEL Configures the threshold which the audio must be above before the automute condition is cleared (cleared immediately). Valid from: 16'hFFFF (-42dB) to 16'h0001 (-132dB) Shift right 1 bit corresponds to -6dB Register 130: SOFT RAMP CONFIG Bits [7:5] [4:0] Default 3'd0 5'd3 Bits Mnemonic Description [7:5] RESERVED NA [4:0] SOFT_RAMP_TIME Sets the amount of time that it takes to perform a soft start ramp. This time affects both ramp to ground and ramp to AVCC/2. Valid from 0 to 20 (inclusive). 𝑇𝑖𝑚𝑒 [𝑠] = 4096 ∗ 2𝑆𝑂𝐹𝑇_𝑅𝐴𝑀𝑃_𝑇𝐼𝑀𝐸+1 𝐶𝐿𝐾𝐼𝐷𝐴𝐶[𝐻𝑧] Register 134-131: RESERVED

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 79 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 135: PROGRAM RAM CONTROL Bits [7:2] [1] [0] Default 6'd0 1'b0 1'b0 Bits Mnemonic Description [7:2] RESERVED NA [1] PROG_COEFF_WE Enables writing to the programmable coefficient RAM.

1’b0: Disables write signal to the coefficient RAM (default).
1’b1: Enables write signal to the coefficient RAM. [0] PROG_COEFF_EN Enables the custom oversampling filter coefficients.
1’b0: Uses a built-in filter selected by filter_shape (default).
1’b1: Uses the coefficients programmed via prog_coeff_data. Register 136: RESERVED Register 137: PROGRAM RAM ADDRESS Bits [7] [6:0] Default 1'b0 7'd0 Bits Mnemonic Description [7] PROG_COEFF_STAGE Selects which stage of the filter to write.
1'b0: Selects the 2x stage of the oversampling filter (default).
1'b1: Selects the 4x stage of the oversampling filter. [6:0] PROG_COEFF_ADDR Selects the coefficient address when writing custom coefficients for the oversampling filter. Register 140-138: PROGRAM RAM DATA Bits [23:0] Default 24'd0 Bits Mnemonic Description [23:0] PROG_COEFF_IN A 24bit signed filter coefficient that will be written to the address defined in prog_coeff_addr.

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 80 Register 141: MQA CONFIG Default 5'b10000 2'b00 1'b0 Bits Mnemonic Description [7:3] RESERVED NA [2:1] MQB_READER_ENABLE Enable the MQB stream reader

2'b00: The MQB stream reader is disabled. (default)
2'b01: The MQB stream reader is enabled (Normal Operation, 24-bit)
2'b10: The MQB stream reader is enabled (16-bit)
2'b11: Reserved Note: ES9039MPRO has a MQA renderer built in, MQA stream must be decoded by MQA core decoder first. [0] MQA_RENDERING_ENABLE This allows the Sabre ES9039MPRO to render decoded MQA streams.
1'b0: Disabled (default)
1'b1: Enabled Register 145-142: RESERVED

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 81 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Readback Registers Register 224: SYS READ Default - - - - Bits Mnemonic Description [7:4] RESERVED NA [3:2] MODES Chip mode readback. Based off MODE Pin

2'b00: I2C
2'b11: SPI Note: All other values are invalid [1] ADDR1 I2C address select bit 1 readback. [0] ADDR0 I2C address select bit 0 readback. Register 225: CHIP ID READ Bits [7:0] Default - Bits Mnemonic Description [7:0] CHIP_ID Chip ID. Register 228-227: RESERVED

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 82 Register 233-229: INTERRUPT STATE Default - - - - - - - - - Bits Mnemonic Description [39:32] RESERVED NA [31:30] INPUT_SELECT_OVERRIDE_STATE State of the INPUT_SELECT_OVERRIDE interrupt. Note: Interrupt clear bits are required to reset value. [29] TDM_DATA_VALID_STATE State of the TDM_DATA_VALID interrupt. Note: Interrupt clear bit is required to reset value. [28:26] RESERVED NA [25] BCK_WS_FAIL_STATE State of the BCK_WS_FAIL interrupt. Note: Interrupt clear bit is required to reset value. [24] DOP_VALID_STATE State of the DOP_VALID interrupt. Note: Interrupt clear bit is required to reset value. [23:16] SS_FULL_RAMP_STATE State of each channel's SS_FULL_RAMP interrupt. Note: Interrupt clear bit is required to reset value. [15:8] AUTOMUTE_STATE State of each channel's AUTOMUTE_STATE interrupt. Note: Interrupt clear bit is required to reset value. [7:0] VOL_MIN_STATE State of each channel's VOL_MIN_STATE interrupt. Note: Interrupt clear bit is required to reset value. Register 238-234: INTERRUPT SOURCE Default - - - - - - - - - Bits Mnemonic Description [39:32] RESERVED NA [31:30] INPUT_SELECT_OVERRIDE_SOURCE Output of the AUTO_INPUT_SELECT logic. [29] TDM_DATA_VALID_SOURCE TDM data valid flag. [28:26] RESERVED NA [25] BCK_WS_FAIL_SOURCE Validity of BCK, WS, and ASYNC_LOCK flag. Requires respective monitor bits to be set. [24] DOP_VALID_SOURCE Valid DoP flag for Channels 1 and 2. [23:16] SS_FULL_RAMP_SOURCE Channel flag for whether it is fully ramped up or down. [15:8] AUTOMUTE_SOURCE Channel flag for whether it is automute is active. [7:0] VOL_MIN_SOURCE Channel flag for whether the corresponding volume register = 0x00

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 83 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 239: RATIO VALID READ Bits [7] [6:0] Default - - Bits Mnemonic Description [7] RATIO_VALID Indicates validity of the CLK_DAC/CLK_IDAC ratio

1'b0: Invalid
1'b1: Valid [6:0] RESERVED NA Register 240: GPIO READ Default - - - - - - - - Bits Mnemonic Description [7] GPIO8_I_READ GPIO8 Readback [6] GPIO7_I_READ GPIO7 Readback [5] GPIO6_I_READ GPIO6 Readback [4] GPIO5_I_READ GPIO5 Readback [3] GPIO4_I_READ GPIO4 Readback [2] GPIO3_I_READ GPIO3 Readback [1] GPIO2_I_READ GPIO2 Readback [0] GPIO1_I_READ GPIO1 Readback Register 241: VOL MIN READ Default - - - - - - - - Bits Mnemonic Description [7] VOL_MIN_CH8 Volume min flag ch8 [6] VOL_MIN_CH7 Volume min flag ch7 [5] VOL_MIN_CH6 Volume min flag ch6 [4] VOL_MIN_CH5 Volume min flag ch5 [3] VOL_MIN_CH4 Volume min flag ch4 [2] VOL_MIN_CH3 Volume min flag ch3 [1] VOL_MIN_CH2 Volume min flag ch2 [0] VOL_MIN_CH1 Volume min flag ch1

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 84 Register 242: AUTOMUTE READ Default - - - - - - - - Bits Mnemonic Description [7] AUTOMUTE_CH8 Automute status ch8 [6] AUTOMUTE_CH7 Automute status ch7 [5] AUTOMUTE_CH6 Automute status ch6 [4] AUTOMUTE_CH5 Automute status ch5 [3] AUTOMUTE_CH4 Automute status ch4 [2] AUTOMUTE_CH3 Automute status ch3 [1] AUTOMUTE_CH2 Automute status ch2 [0] AUTOMUTE_CH1 Automute status ch1 Register 243: SOFT RAMP UP READ Default - - - - - - - - Bits Mnemonic Description [7] SS_RAMP_UP_CH8 Soft ramped up flag ch8 [6] SS_RAMP_UP_CH7 Soft ramped up flag ch7 [5] SS_RAMP_UP_CH6 Soft ramped up flag ch6 [4] SS_RAMP_UP_CH5 Soft ramped up flag ch5 [3] SS_RAMP_UP_CH4 Soft ramped up flag ch4 [2] SS_RAMP_UP_CH3 Soft ramped up flag ch3 [1] SS_RAMP_UP_CH2 Soft ramped up flag ch2 [0] SS_RAMP_UP_CH1 Soft ramped up flag ch1 Register 244: SOFT RAMP DOWN READ Default - - - - - - - - Bits Mnemonic Description [7] SS_RAMP_DOWN_CH8 Soft ramped down flag ch8 [6] SS_RAMP_DOWN_CH7 Soft ramped down flag ch7 [5] SS_RAMP_DOWN_CH6 Soft ramped down flag ch6 [4] SS_RAMP_DOWN_CH5 Soft ramped down flag ch5 [3] SS_RAMP_DOWN_CH4 Soft ramped down flag ch4 [2] SS_RAMP_DOWN_CH3 Soft ramped down flag ch3 [1] SS_RAMP_DOWN_CH2 Soft ramped down flag ch2 [0] SS_RAMP_DOWN_CH1 Soft ramped down flag ch1

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 85 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Register 245: SPDIF, TDM, DOP, AND INPUT READBACK Default - - - - Bits Mnemonic Description [7] SPDIF_VALID S/PDIF valid flag [6] TDM_DATA_VALID TDM valid data flag [5:2] DOP_VALID DoP valid flag [1:0] INPUT_SELECT_OVERRIDE AUTO_INPUT_SEL value Register 248-246: PROG COEFF OUT READ Bits [23:0] Default - Bits Mnemonic Description [23:0] PROG_COEFF_OUT Programmable FIR coefficient readback Register 250-249: RESERVED Register 251: SPDIF DATA READ Bits [7:0] Default - Bits Mnemonic Description [7:0] RESERVED NA

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 87 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Software Mode Figure 13 – Software mode reference schematic

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 89 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 64 eTQFP Package Dimensions Figure 15 – ES9039SPRO/ES9039MSPRO 64 eTQFP package dimensions

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 90

64 QFP Top View Marking

Figure 16 – ES9039SPRO Marking Figure 17 – ES9039MSPRO Marking Dimension in mm Package Type A B C D E F G T Tracking number W Work week Y Last digit of year L Lot number R Silicon Revision

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 91 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM Reflow Process Considerations Temperature Controlled For lead-free soldering, the characterization and optimization of the reflow process is the most important factor to consider. The lead-free alloy solder has a melting point of 217°C. This alloy requires a minimum reflow temperature of 235°C to ensure good wetting. The maximum reflow temperature is in the 245°C to 260°C range, depending on the package size ( RPC-2 Pb-Free Process – Classification Temperatures (Tc)). This narrows the process window for lead-free soldering to 10°C to 20°C. The increase in peak reflow temperature in combination with the narrow process window makes the development of an optimal reflow profile a critical factor for ensuring a successful lead-free assembly process. The major factors contributing to the development of an optimal thermal profile are the size and weight of the assembly, the density of the components, the mix of large and small components, and the paste chemistry being used. Reflow profiling needs to be performed by attaching calibrated thermocouples well adhered to the device as well as oth er critical locations on the board to ensure that all components are heated to temperatures above the minimum reflow temperatures and that smaller compone nts do not exceed the maximum temperature limits (Table RPC-2). To ensure that all packages can be successfully and reliably assembled, the reflow profiles studied and recommended by ESS are based on the JEDEC/IPC standard J-STD-020 revision D.1. Figure 18 – IR/Convection Reflow Profile (IPC/JEDEC J-STD-020D.1) Reflow is allowed 3 times. Caution must be taken to ensure time between re -flow runs does not exceed the allowed time by the moisture sensitivity label. If the time elapsed between the re-flows exceeds the moisture sensitivity time bake the board according to the moisture sensitivity label instructions. Manual Allowed up to 2 times with maximum temperature of 350°C no longer than 3 seconds.

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 92 RPC-1 Classification reflow profile Profile Feature Pb-Free Assembly Preheat/Soak Temperature Min (Tsmin) Temperature Max (Tsmax) Time (ts) from (Tsmin to Tsmax) 150°C 200°C 60-120 seconds Ramp-up rate (TL to Tp) 3°C / second maximum Liquidous temperature (TL) Time (tL) maintained above TL 217°C 60-150 seconds Peak package body temperature (Tp) For users Tp must not exceed the classification temp in Table RPC- For suppliers Tp must equal or exceed the Classification temp in Table RPC-2. Time (tp)* within 5°C of the specified classification temperature (Tc) 30* seconds Ramp-down rate (Tp to TL) 6°C / second maximum Time 25°C to peak temperature 8 minutes maximum * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. Table 10 – RPC-1 Classification reflow profile All temperatures refer to the center of the package, measured on the package body surface that is facing up during assembly reflo w (e.g., live-bug). If parts are reflowed in other than the normal live-bug assembly reflow orientation (i.e., dead-bug), Tp shall be within ±2°C of the live-bug Tp and still meet the Tc requirements, otherwise, the profile shall be adjusted to achieve the latter. To accurately measure actual peak p ackage body temperatures, refer to JEP140 for recommended thermocouple use. Reflow profiles in this document are for classification/preconditioning and are not meant to specify board assembly profiles. Actual board assembly profiles should be developed based on specific process needs and board designs and should not exceed the parameters in Table RPC-1. For example, if Tc is 260°C and time tp is 30 seconds, this means the following for the supplier and the user. For a supplier: The peak temperature must be at least 260°C. The time above 255°C must be at least 30 seconds. For a user: The peak temperature must not exceed 260°C. The time above 255°C must not exceed 30 seconds. All components in the test load shall meet the classification profile requirements.

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 93 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM RPC-2 Pb-Free Process – Classification Temperatures (Tc) Package Thickness Volume mm3, <350 Volume mm3, 350 to 2000 Volume mm3, >2000 <1.6 mm 260°C 260°C 260°C 1.6 mm – 2.5 mm 260°C 250°C 245°C >2.5 mm 250°C 245°C 245°C Table 11 – RPC-2 Pb free classification temperatures At the discretion of the device manufacturer, but not the board assembler/user, the maximum peak package body temperature (Tp) can exceed the values specified in Table RPC-2. The use of a higher Tp does not change the classification temperature (Tc). Package volume excludes external terminals (e.g., balls, bumps, lands, leads) and/or nonintegral heat sinks. The maximum component temperature reached during reflow depends on package thickness and volume. The use of convection reflo w processes reduces the thermal gradients between packages. However, thermal gradients due to differences in thermal mass of SMD packages may still exist.

ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 94

Ordering Information

Part Number Description Package ES9039MSPRO SABRE PRO 32-bit 8 Channel Flagship DAC and MQA renderer 10mm x 10mm 64 eTQFP ES9039SPRO SABRE PRO 32-bit 8 Channel Flagship DAC

Revision History

Current Version 0.2.1 Rev. Date Notes

0.1.3 June, 2022 Initial release

0.2.1 Sept, 2022

Pin Description correction for pins 49 & 50
Added note on DoP (HW modes 16-18) usage in HW mode to Hardware Mode Pin Configurations
Updated digital signal path diagram
Updated Registers 1[6],5,58[4:3],64-71,82-84, 130, 135,137,140-138, 106-99
Updated Registers 47-46[15] Description
Updated HW mode table & added HW feature tables
Unreserved Register 89[2:0] IIR_BW
Added reference output stage schematic
Updated Hardware mode configuration diagram
Added Notes to Hardware Mode Audio Input Format Compatibility table, renamed table
Modified Performance table to add more details on output levels
Changed Audio Input Format name to PCM from I2S to be more inclusive of subsets

ES9039MPRO & ES9039PRO Datasheet CONFIDENTIAL ADVANCE INFORMATION 0.2.1 95 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM © 2022 ESS Technology, Inc. ESS IC’s are not intended, authorized, or warranted for use as components in military applications, medical devices or life support systems. ESS assumes no liability and disclaims any expressed, implied or statutory warranty for use of ESS IC’s in such unsuitable applications. No part of this publication may be reproduced, stored in a retrieval system, transmitted, or translated in any form or by any means, electronic, mechanical, manual, optical, or otherwise, without the prior written permission of ESS Technology, Inc. ESS Technology, Inc. makes no representations or warranties regarding the content of this document. All specifications

Product Information

ES9039MSPRO specifications and overview.

Summary

32-bit High-Performance 8-Channel DAC Sept, 2022

Description

32-bit High-Performance 8-Channel DAC Sept, 2022

Source title ES9039MSPRO Datasheet(PDF) - ESS Technology,Inc

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