CM4 EDATEC | Alldatasheet
Document overview
- Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
- PDF pages: 33
Technical content
Datasheet sections
- 1 Product Overview
- 1.1 Target Application
- 1.2 Specifications and Parameters
- 1.3 System Diagram
- 1.4 Functional Layout
- 1.5 Packing List
- 1.6 Order Code
- 2 Product Appearance and Structure
- 2.1 Product Appearance
- 2.2 Product Photo
- 2.3 Dimensions
- 2.4 Mount Dimensional Drawings
- 2.4.1 DIN Mount
- 2.4.2 Wall Mount
- 3 Interfaces and Connectors
- 3.1 Front Panel
- 3.1.1 Power Input
- 3.1.2 Gigabit Ethernet
- 3.1.5 HDMI
- 3.1.7 SIM Card Slot
- 3.2 Rear Panel
- 3.2.1 Indicator Light
- 3.2.2 Buttons
- 3.2.3 ADC
- 3.2.4 RS232
- 3.2.5 RS485
- 3.2.6 Isolated DI
- 3.2.7 Relay
- 3.2.8 Antennas
- 4 Internal Interface
- 4.1 SPI Flash
- 4.2 RTC
- 4.3 Buzzer
- 4.4 MIPI DSI
- 4.5 MIPI CSI
- 4.5.1 CSI0
- 4.5.2 CSI1
- 4.6 FPC HDMI
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator CM4 INDUSTRIAL AN INDUSTRIAL EMBEDD ED COMPUTER BASED ON RASPBERRY PI CM4 Shanghai EDA Technology Co.,Ltd 2023-03-22
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Copyright Statement CM4 Industrial and its related intellectual property rights are owned by Shanghai EDA Technology Co., Ltd. Shanghai EDA Technology Co., Ltd owns the copyright of this document and reserves all rights. Without the written permission of Shanghai EDA Technology Co., Ltd, no part of this document may be modified, distributed or copied in any way or form. Disclaimers Shanghai EDA Technology Co., Ltd does not guarantee that the information in this manual is up to date, correct, complete or of high quality. Shanghai EDA Technology Co., Ltd also does not guarantee the further use of this information. If the material or non-material related losses are caused by using or not using the information in this manual, or by using incorrect or incomplete information, as long as it is not proved that it is the intention or negligence of Shanghai EDA Technology Co., Ltd, the liability claim for Shanghai EDA Technology Co., Ltd can be exempted. Shanghai EDA Technology Co., Ltd expressly reserves the right to modify or supplement the contents or part of this manual without special notice.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
1 Product Overview
CM4 Industrial is an industrial embedded computer based on Raspberry Pi Compute Module 4. The system can be configured into 1GB/2GB/4GB/8GB RAM and 0GB/8GB/16GB/32GB eMMC according to different applications, which supports boot up from SD card. It provides a variety of industrial communication interfaces and functions, such as multi -channel RS232, RS485, multi-channel high-precision ADC, isolated IO input, relay control, battery backup real-time clock and alarm buzzer. It also provides powerful communication capabilities, one Gigabit Ethernet interface with PoE function, one 10/100M network port, 4G/LTE module, certified 2.4/5.8G dual -band WiFi and Bluetooth, and supports external antennas. CM4 Industrial can support 2 CSI interfaces, 1 DSI display interface and 1 HDMI cable interface. Other features include on -board 32Mb serial Flash for storing system data, wide power supply range, V1.4 version is 9~36V, V1.1~V1.3 version is 9~18V, and ESD protection for important interfaces.
1.1 Target Application
IOT gateway Industrial control Advertising display Intelligent manufacture
1.2 Specifications and Parameters
CPU BCM2711 4 core, ARM Cortex-A72(ARM v8), 1.5GHz, 64bit CPU Memory 1GB / 2GB / 4GB / 8GB option eMMC 0GB / 8GB / 16GB / 32GB option SD card micro SD card, support CM4 Lite without eMMC Extended storage 1x 32Mb Serial Flash Ethernet Dual net port, 1x Gigabit Ethernet, 1x 100 Mbps Ethernet WiFi / Bluetooth 2.4G / 5.8G Dual band WiFi, bluetooth5.0 4G 1x 4G/LTE module(option), Full Netcom, supporting mobile, Unicom and telecom network standards. HDMI 1x standard HDMI HDMI FPC touch screen 1x FPC HDMI, support USB touch, PWM Dimming DSI 1x DSI, support Raspberry Pi 7-inch official touch screen
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Function Parameters Camera 2x CSI, Support official 5M/8M/12M cameras USB Host 2x USB 2.0 Type A, 1x USB 2.0 integrated in Mini PCIe interface, 2x USB
2.0 Host Pin Header extend, 1x USB micro-B used for eMMC flash
Serial(TTL) 1x Serial(TTL), can be used in the default console of the system, and supports configuration as a standard serial port. ADC channel 3x ADC IN Channel, 12bit ADC Isolated IO 2x DI No-isolated IO 1x DIO Relay 1x double-pole double-throw relay Mini PCIe 1-lane PCIe 2.0, Highest support 5Gbps, 1x USB 2.0 Host 40-Pin GPIO Raspberry Pi 40-Pin GPIO HAT extend Real time clock 1x RTC Buzzer 1x buzzer User button 1x user button Fan 1x adjustable speed fan control interface DC power supply output 5V@1A, can be used to support Raspberry Pi 7 inch official touch screen power supply. LED indicator red(power indicator), green(system state indicator) Operation system compatible with official Raspberry Pi OS, provides BSP software support package, and supports online installation and update of APT. Power input V1.4 version is 9V~36V DC, V1.1~V1.3 version is 9V~18V DC Dimensions 170(length) x 120(wide) x 30(wide) mm Case Full Metal Shell, Support DIN guide rail installation Antenna accessory Support optional WiFi/BT external antenna, which has passed wireless authentication together with Raspberry Pi CM4, and optional 4G external antenna. Working environment temperature -25 ~ 50° C
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
1.3 System Diagram
Note: V1.4 version power input range is 9V~36V, V1.1~V1.3 version power input range is 9V~18V.
1.4 Functional Layout
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator No. Function No. Function A1 2× ADC A15 Debug serial port A2 RS232 A16 Customize GPIO Pin Header A3 2× RS485 A17 DC power socket A4 2× DIN A18 Gigabit Ethernet RJ45 port A5 2×relay A19 100 Gigabit Ethernet RJ45 port A6 Reset button A20 2× USB 2.0 A7 Signal indicating LED A21 HDMI Type A A8 User key A22 Micro SD slot A9 Micro USB interface A23 HDMI FPC interface A10 Fan interface A24 5V power output A11 RTC battery socket A25 DSI interface A12 USB6 Pin Header A26 CSI1 interface A13 USB5 Pin Header A27 CSI0 interface A14 Buzzer
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator No. Function No. Function B1 mini PCIe interface B3 CM4 socket B2 Standard SIM slot
1.5 Packing List
1x CM4 Industrial host computer [option WiFi/BT version] 1x 2.4GHz/5GHz WiFi/BT antenna [option 4G version] 1x 4G/LTE antenna
1.6 Order Code
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
2 Product Appearance and Structure
2.1 Product Appearance
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
2.2 Product Photo
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
2.3 Dimensions
unit: mm，tolerance：±0.1mm
2.4 Mount Dimensional Drawings
2.4.1 DIN Mount
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
2.4.2 Wall Mount
3 Interfaces and Connectors
3.1 Front Panel
3.1.1 Power Input
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator The conventional input power supply of CM4 Industrial is 12V, and the input range of the hardware version of V1.4 is 9~36V, and the input range of the hardware version of V1.1~V1.3 is 9V~18V. The screen printing on the case is 12V DC, which is a standard 5.5*2.0 DC power socket with positive inside and negative outside.
3.1.2 Gigabit Ethernet
There is an adaptive 10/100/1000Mbsp Ethernet interface on CM4 Industrial, with the screen printing logo of 1000M, which is adjacent to the DC power supply socket. It is recommended to use Cat6 (Category 6) network cable for cooperation. Pin ID Pin Name
1 TRD0+
2 TRD0-
3 TRD1+
4 TRD2+
5 TRD2-
6 TRD1-
7 TRD3+
8 TRD3-
3.1.3 100 Gigabit Ethernet CM4 Industrial also has an adaptive 10/100Mbsp Ethernet interface, with the screen printing logo of 10/100M, which is adjacent to the USB Type-A double-layer socket and is extended by USB 2.0. Pin ID Pin Name
1 Tx+
2 Tx-
3 Rx+
6 Rx-
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator 3.1.4 USB 2.0 There are two USB 2.0 Type A interfaces on CM4 Industrial, which can transmit data up to 480 Mbit/s.. Pin ID Pin Name 1 5V 2 D- 3 D+
4 GND
3.1.5 HDMI
CM4 Industrial has a standard HDMI Type A interface, which can be directly connected to the HDMI display. 3.1.6 micro-SD Card Slot There is a micro SD card slot on CM4 Industrial for use with CM4 Lite. WARN: Only when you choose CM4 Lite (without eMMC) core module, you need to use the micro SD card for main file system storage. If you choose CM4 module with eMMC, this micro SD card slot is not available, and it shares an MMC port with eMMC.
3.1.7 SIM Card Slot
CM4 Industrial supports 4G LTE, and it uses standard SIM card. The size differences between standard SIM and Micro SIM and Nano SIM cards are as follows:
3.2 Rear Panel
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
3.2.1 Indicator Light
CM4 Industrial has two indicator lights, the red LED is the power indicator light and the green LED is the status indicator light.
3.2.2 Buttons
CM4 Industrial has two buttons, namely a reset button and a user button.
3.2.2.1 Reset Button
The Reset button is a hidden button, and the screen printing on the shell is reset. The reset button is connected with the RUN_PG pin of the CM4 chip. When the pin is high, it means that CM4 has started, and when the pin is pulled low, it will reset the CM4 module. Pressing the reset button will pull the RUN_PG pin low, thus resetting the CM4 Industrial equipment.
3.2.2.2 User Button
User-defined buttons are screen-printed on the shell as user, which is connected to the GPIO6 pin of CM4 chip. By default, it is at high level, and when the button is pressed, the pin is at low level. User-defined key pin definition: # Signal CM4 Pinout
1 User Button GPIO6
3.2.3 ADC
CM4 Industrial has three ADC interfaces, the interface is J39, and communicates with the ADC acquisition chip through i2c-1 bus.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Pin ID Pin Name
1 GND
2 ADC1
3 ADC2
4 ADC3
The terminal specification model is 2EDGR-2.5-4P/15EDGRC-2.5-04P-14-00AH, the spacing between terminals is 2.5mm.
3.2.4 RS232
CM4 Industrial has a serial port with RS232 level, the interface name is J34, the CM4 serial port UART5 is used, and the corresponding device file is /dev/ttyAMA3. Pin ID Pin Name
2 TXD
3 RXD
The terminal specification model is 2EDGR-2.5-3P/15EDGRC-2.5-03P-14-00AH, the spacing between terminals is 2.5mm. RS232 corresponds to the serial port UART5 of CM4, and the corresponding pin names are as follows: # Signal CM4 Pinout
1 TXD5 UART5_TX / GPIO12
2 RXD5 UART4_RX / GPIO13
3.2.5 RS485
CM4 Industrial has two RS485 channels, and the interface is named J16.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Pin ID Pin Name 2 485-1_A 3 485-1_B 5 485-2_A 6 485-2_B The terminal specification model is 2EDGR-2.5-6P/15EDGRC-2.5-06P-14-00AH, the spacing between terminals is 2.5mm. RS485-1 corresponds to the serial port UART4 of CM4, and the corresponding device file is /dev/ttyAMA2. # Signal CM4 Pinout
1 TXD4 UART4_TX / GPIO8
2 RXD4 UART4_RX / GPIO9
RS485-2 corresponds to the serial port UART3 of CM4, and the corresponding device file is /dev/ttyAMA1. # Signal CM4 Pinout
1 TXD3 UART3_TX / GPIO4
2 RXD3 UART3_RX / GPIO5
3.2.6 Isolated DI
CM4 Industrial has two isolated digital input detection interfaces named J48. Pin ID Pin Name 1 12VIN
2 DIN1+
3 DIN1-
4 DIN2+
5 DIN2-
6 GND
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator The terminal specification model is 2EDGR-2.5-6P/15EDGRC-2.5-06P-14-00AH, the spacing between terminals is 2.5mm. Two channels of DIN are connected to GPIO of CM4 after optical coupler isolation, and the corresponding pins are as follows: # Signal CM4 Pinout
1 DIN1 GPIO11
2 DIN2 GPIO26
3.2.7 Relay
CM4 Industrial has a double-pole double-throw relay on board, and the interface is named J47. The closing and bouncing of the relay is controlled by the output level of the pin pin of GPIO22. By default, it is normally closed, COM1 and NC1 are on, and COM2 and NC2 are on. When GPIO22 is high, the relay is on, COM1 and NO1 are on, and COM2 and NO2 are on. Pin ID Pin Name
1 NC2
2 COM2
3 NO2
4 NC1
5 COM1
6 NO1
The terminal specification model is 2EDGR-2.5-6P/15EDGRC-2.5-06P-14-00AH, the spacing between terminals is 2.5mm. Relay control pin definition: # Signal CM4 Pinout
1 RELAY GPIO22
3.2.8 Antennas
There are two standard SMA head antenna interfaces on the side of CM4 Industrial shell, which correspond to 4G antenna and WiFi/BT antenna respectively.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
4 Internal Interface
4.1 SPI Flash
CM4 Industrial is for customers to store data. SPI Flash is mounted on the spi-1 bus of CM4. Spi-1 bus pin definition: # Signal CM4 Pinout
1 SPI_CS GPIO16
2 SPI_SCK GPIO21
3 SPI_MISO GPIO19
4 SPI_MOSI GPIO20
4.2 RTC
CM4 Industrial is integrated with RTC. For the version sold in China, we will install CR1220 button cell (RTC backup power supply) by default when shipping. In this way, the system can be guaranteed to have an uninterrupted and reliable clock, which is not affected by factors such as equipment power down. RTC clock chip is mounted on i2c-1 bus, and the device address is 0x51. I2c-1 bus pin definition: # Signal CM4 Pinout
1 SDA1 GPIO2
2 SCL1 GPIO3
WARN: Because logistics transportation does not support packaging with batteries, the factory equipment is not pre-installed with CR1220 batteries. Before using RTC, you should prepare a CR1220 button cell to install it.
4.3 Buzzer
CM4 Industrial is equipped with a buzzer, which can be turned on and off through GPIO.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Buzzer control pin definition: # Signal CM4 Pinout
1 BEEP GPIO25
4.4 MIPI DSI
CM4 Industrial has a MIPI DSI interface, which corresponds to the DSI1 display output of CM4. The interface name is J61, and the screen printing is DSI1. Please use a single-sided FPC cable with a distance of 15pin 1mm 1 mm to connect it, which can be used with the official 7-inch touch screen of Raspberry Pi. Pin ID Pin Name
2 DSI1_D0_N
3 DSI1_D0_P
5 DSI1_D1_N
6 DSI1_D1_P
7 GND
8 DSI1_CLK_N
9 DSI1_CLK_P
10 GND
11 SCL0
12 SDA0
13 GND
4.5 MIPI CSI
CM4 Industrial has two MIPI CSI camera interfaces, all of which use FPC connectors. The screen printing names are CSI1 and CSI0 respectively. It supports Raspberry Pi's official 5m-8m pixel camera module. Please use a single-sided FPC connector with a spacing of 15pin 1mm to connect.
4.5.1 CSI0
The corresponding definition of CSI0 interface pins is as follows.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Pin ID Pin Name
2 CAM0_D0_N
3 CAM0_D0_P
5 CAM0_D1_N
6 CAM0_D1_P
8 CAM0_CLK_N
9 CAM0_CLK_P
11 CAM_GPIO
12 无
13 ID_SC
14 ID_SD
4.5.2 CSI1
The corresponding definition of CSI1 interface pins is as follows. Pin ID Pin Name
2 CAM1_D0_N
3 CAM1_D0_P
5 CAM1_D1_N
6 CAM1_D1_P
8 CAM1_CLK_N
9 CAM1_CLK_P
13 SCL0
14 SDA0
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
4.6 FPC HDMI
CM4 Industrial has an HDMI interface in the form of 1 FPC, the interface is J65, the screen printing name is HDMI LCD, and USB 2.0 touch screen signal and PWM brightness level signal are reserved on it, which can be connected to an HDMI touch screen. Please use 40pin 0.5mm spacing single-sided FPC cable to connect. The corresponding definitions of FPC HDMI interface pins are as follows. Pin ID Pin Name Pin ID Pin Name
1 Y+ 21 GND
2 X+ 22 HDMI1_CLKP
3 Y- 23 HDMI1_CLKN
4 X- 24 GND
5 GND 25 BACKLIGHT_PWM
6 USB_DP 26 GND
7 USB_DM 27 GND
8 GND 28 GND
9 HDMI1_HPD 29 GND
10 HDMI1_SCL 30 GND
11 HDMI1_SDA 31 GND
12 GND 32 LCD_PWR_EN
13 HDM1_TX2P 33 GND
14 HDMI1_TX2N 34 GND
15 GND 35 GND
16 HDM1_TX1P 36 GND
17 HDM1_TX1N 37 GND
18 GND 38 GND
19 HDM1_TX0P 39 GND
20 HDMI1_TX0N 40 5V
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator 4.7 40-PIN GPIO CM4 Industrial provides 40-PIN GPIO, which is compatible with Raspberry Pi HAT and supports various extension accessories of standard Raspberry Pi. You can extend more isolated IO, serial port, POE support and so on through this 40-PIN. Pin Name I/O Pin Definitions Pin Configuration Function 1 3V3 O 3.3V 2 5V I/O 5V
3 PIN3 I/O GPIO2 I2C1_SDA
5 PIN5 I/O GPIO3 I2C1_SCL
6 GND GND
7 PIN7 I/O GPIO4 TXD3
8 PIN8 I/O GPIO14 TXD0
9 GND GND
10 PIN10 I/O GPIO15 RXD0
11 PIN11 I/O GPIO17 GPIO17
12 PIN12 I/O GPIO18 BACKLIGHT_PWM
13 PIN13 I/O GPIO27 GPIO27
14 GND GND
15 PIN15 I/O GPIO22 RELAY
16 PIN16 I/O GPIO23 LCD_PWR_EN
17 3V3 O 3.3V
18 PIN18 I/O GPIO24 FAN_EN
19 PIN19 I/O GPIO10 RST_4G
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Pin Name I/O Pin Definitions Pin Configuration Function
20 GND GND
21 PIN21 I/O GPIO9 RXD4
22 PIN22 I/O GPIO25 BEEP
23 PIN23 I/O GPIO11 DIN1
24 PIN24 I/O GPIO8 TXD4
25 GND GND
26 PIN26 I/O GPIO7 ADC_INT
27 PIN27 I/O GPIO0 ID_SD
28 PIN28 I/O GPIO1 ID_SC
29 PIN29 I/O GPIO5 RXD3
30 GND GND
31 PIN31 I/O GPIO6 USER BUTTON
32 PIN32 I/O GPIO12 TXD5
33 PIN33 I/O GPIO13 RXD5
34 GND GND
35 PIN35 I/O GPIO19 SPI_MISO
36 PIN36 I/O GPIO16 SPI_CS
37 PIN37 I/O GPIO26 DIN2
38 PIN38 I/O GPIO20 SPI_MOSI
39 GND GND
40 PIN40 I/O GPIO21 SPI_SCK
NOTE：Some GPIO pins on the 40-PIN GPIO have been configured for other functions on board, so please pay attention when using them.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator 4.8 mini-PCIe There is a Mini PCIe expansion interface on CM4 Industrial, which can expand some peripheral modules, such as 4G, 5G, NPU, etc. It has a 1-lane PCIe Gen2 with a speed of 5Gbps and a USB 2.0 Host interface. Pin ID Pin Name Pin ID Pin Name Pin ID Pin Name
1 NC 21 GND 41 3V3
PCIE_nRS T
42 LED_WWAN
3 NC 23 PCIE_RXN 43 GND
4 GND 24 3V3 44 NC
5 NC 25 PCIE_RXP 45 NC
6 NC 26 GND 46 NC
7 PCIE_CLK_nREQ 27 GND 47 NC
8 USIM_VDD 28 NC 48 NC
9 GND 29 GND 49 NC
10 USIM_DATA 30 NC 50 GND
11 GND 31 PCIE_TXN 51 NC
12 USIM_CLK 32 NC 52 3V3
13 PCIE_CLKP 33 PCIE_TXP 53 GND
14 USIM_RST 34 GND 54 GND
16 NC 36 USB_DM
17 NC 37 GND
18 GND 38 USB_DP
19 NC 39 3V3
20 NC 40 GND
CM4 Industrial's mini PCIe interface also has a USB interface and a 4G module reset pin. The USB interface is obtained through the expansion of USB Hub.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator 4G module reset pin definition: # Signal CM4 Pinout
1 RST_4G GPIO10
4.9 USB 2.0 Pin Header There are also two USB 2.0 Host on CM4 Industrial, J44 and J63, which are led out by 1x4 2.54mm Pin Header. Customers can expand USB Device devices according to their own applications. Pin ID Pin Name 1 5V 2 D- 3 D+
4.10 UART Pin Header
CM4 Industrial also has a 1-way UART Pin Header, the interface is J58, the screen-printed name is UART0, it is a TTL level serial port, and it is led out by 1x4 2.54mm Pin Header. Corresponding to UART0 on BCM2711, this serial port is used as debugging serial port by default. Pin ID Pin Name 1 3.3V
2 GND
3 TXD0
4 RXD0
4.11 2-PIN GPIO Pin Header CM4 Industrial leads out a path of GPIO through 1x2.54 mm pin header, which is directly connected to GPIO27 on cm4. The interface is J68, and customers can freely configure it according to different purposes. Pin ID Pin Name
2 GPIO27
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator 4.12 micro-USB The micro-USB interface is J73, with the screen name of "USB PROGRAM", which is close to the battery socket of RTC, and is mainly used to burn eMMC of CM4 core board. Pin ID Pin Name 1 5V 2 D- 3 D+ 4 NC
5 GND
4.13 5V@1A Output Power output interface J72, on the front of PCBA, near DSI1 FPC connector, provides 5V@1A DC output. Screen printing is marked with 5V, GND. It can be used to supply power to Raspberry Pi 7-inch official touch screen, and can also be used for other loads. Pin ID Pin Name 1 5V
4.14 PoE Pin Header
The gigabit network port of CM4 Industrial supports POE power supply, and the POE power supply terminal is led out through 1x2.54 mm Pinheader, which needs to be equipped with the official POE HAT module to realize PoE power supply for CM4 Industrial equipment. Pin definition of POE Pin Header is as follows Pin ID Pin Name
1 VC1-
2 VC1+
3 VC2-
4 VC2+
4.15 Fan Pin Header
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator CM4 Industrial has a fan control interface J67. J67 pin is defined as follows: Pin ID Pin Name 1 5V（no pull up） 2 5V（with pull up）
3 FAN_EN
FAN_EN is connected to GPIO24 of CM4 through an N-channel MOS transistor, and the fan and speed can be controlled by controlling GPIO24.
5 Wireless Communication
5.1 WiFi
CM4 Industrial supports 2.4G/5G dual-band WiFi. 2.4G band Parameter Feature frequency range 802.11b/g/n(HT20): 2412-2472MHz 802.11n(HT40): 2422-2462MHz modulation system 802.11b:DSSS 802.11g/n:OFDM Frequency Step 5M 5G band Parameter Feature frequency range 802.11a/n/ac: 5150-5350MHz 5470-5725MHz 5725-5850MHz modulation system BPSK Frequency Step 5M
5.2 Bluetooth
CM4 Industrial supports Bluetooth 5.0.
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator Parameter Feature frequency range 2402-2480MHz modulation system GFSK,DPSK Frequency Step 2M 5.3 4G LTE CM4 Industrial has a mini PCIe slot for 4G LTE module connection. It can support a wide range of frequency bands through different 4G module variants. # 4G Module Support Country Supported Frequency Band
1 EC20-CE China / India
LTE FDD: B1/B3 LTE TDD: B38/B39/B40/B41 TDSCDMA: B34/B39 WCDMA: B1 CDMA 1x/EVDO: BC0 GSM: 900/1800MH
2 EC25-AFX North America
LTE-FDD: B2/B4/B5/B12/B13/B14/B66/B71 LTE-TDD: / WCDMA: B2/B4/B5 GSM/EDGE: /
3 EC25-AUX Latin America / Australia / New
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28 LTE-TDD: B40 WCDMA: B1/B2/B4/B5/B8 GSM/EDGE: B2/B3/B5/B8
4 EC25-EUX EMEA / Thailand
LTE-FDD: B1/B3/B7/B8/B20/B28A LTE-TDD: B38/B40/B41 WCDMA: B1/B8 GSM/EDGE: B3/B8
5.4 Antenna
5.4.1 4G LTE Antenna Parameter Feature Antenna type External antenna frequency band LTE-FDD, LTE-TDD frequency range 698-894MHz, 1710-2200MHz, 2496-2690MHz antenna gain 2 dBi impedance 50 OHM
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator
5.4.2 WiFi / BT antenna
Antenna type External antenna frequency band 2400-2500MHz, 5150-5850 MHz antenna gain 2 dBi impedance 50 OHM
6 Electrical characteristics
6.1 Electrical Parameters
Parameters Minimum Typical Max Unit V1.4 system power input 9 12 36 V Working temperature -25 25 50 °C Storage temperature -25 25 50 °C Working environment humidity 20 90 % Relay AC load 125V 0.5A Relay DC load 30V 3A NOTE：The maximum power input of V1.1~V1.3 system is 18V.
7 FAQ
7.1 Can micro SD card be used for system startup? The micro SD card slot is only used with CM4 Lite for primary file system storage. If you choose CM4 module with eMMC, this micro SD card slot is not available because it shares an MMC interface with eMMC.
8 Product Change Record
8.1 V1.4 Change the power chip, adjust the power input range to 9V~36V, and optimize part of the circuit
Datasheet of CM4 Industrial V1.4 EDA Technology Co.,LTD– Electronics Development Accelerator design and circuit board design. 8.2 V1.3 Optimize part of circuit design. 8.3 V1.2 Modify relay package and optimize part of circuit design. 8.4 V1.1 Optimize part of circuit design and circuit board design.
9 About us
9.1 About EDATEC
EDATEC, located in Shanghai, is one of Raspberry Pi's global design partners. Our vision is to provide hardware solutions for Internet of Things, industrial control, automation, green energy and artificial intelligence based on Raspberry Pi technology platform. We provide standard hardware solutions, customized design and manufacturing services to speed up the development and time to market of electronic products.
9.2 Contact us
Mail – sales@edatec.cn / support@edatec.cn Phone – +86-18621560183 Website – https://www.edatec.cn Address – Room 301, Building 24, No.1661 Jialuo Highway, Jiading District, Shanghai