EV96B94A

Microchip Technology

WBZ451 Curiosity Board Users Guide Revision A Date 10/2022

Manufacturer: Microchip Technology

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Document overview

Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
PDF pages: 46

Technical content

Features

WBZ451PE Bluetooth Low Energy and Zigbee RF Module
USB or Li-Po Battery Powered
On-board Programmer/Debug Circuit using PKoB4 based on Microchip SAME70 MCU
Microchip MCP73871 Li-Ion/LiPo Battery Charger with Power Path Management
On-board USB to UART Serial Converter with Hardware Flow Control based on Microchip MCP2200
mikroBUS Socket to Expand Functionality using MikroElectronika Click Adapter Boards
RGB LED Connected to Pulse Width Modulation (PWM)
One Reset Switch
One User Configurable Switch
One User LED
32.768 kHz Crystal
Microchip SST26VF064B, 64-Mbit External QSPI Flash Memory
Microchip MCP9700A, Low Power Analog Voltage Temperature Sensor
10-pin ARM Serial Wire Debug (SWD) Header for External Programmer/Debugger For more details, refer to 3. Hardware. © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 1

Quick References

1.1 Reference Documentation

For further details, refer to the following:

MPLAB XC32 C/C++ Compiler User’s Guide (DS50001686)
MPLAB X IDE User’s Guide (DS50002027)
MPLAB Snap In-Circuit Debugger Information Sheet (DS50002787)
MCP1727 1.5A, Low Voltage, Low Quiescent Current LDO Regulator Data Sheet (DS21999)
SST26VF064B/SST26VF064BA 2.5V/3.0V 64-Mbit Serial Quad I/O™ (SQI™) Flash Memory Data Sheet (DS20005119J)
Stand-Alone System Load Sharing and Li-Ion/Li-Polymer Battery Charge Management Controller Data Sheet (DS20002090)
MCP9700A, Low-Power Linear Active Thermistor IC Data Sheet (DS20001942)
Universal Serial Bus Specification and Associated Documents (www.usb.org)
mikroBUS™ Specification (www.mikroe.com/mikrobus)
PIC32CX-BZ2 and WBZ45 Family Data Sheet (DS70005504)

1.2 Hardware Prerequisites

WBZ451 Curiosity Board
Type-A male to Micro-B USB cable
Li-Ion Polymer Battery - 4.2V for battery-powered application
Bluetooth-enabled Smartphone: – Android ™ device – iOS: iPhone device

1.3 Software Prerequisites

MPLAB Integrated Development Environment (MPLAB X IDE) tool (version 5.50 or later)
MPLAB XC32 Compiler (version 2.40 or later)
PKOB4 Tool Pack version 1.7.738 or later
Released Out of Box (OOB) demo

1.4 Acronyms and Abbreviations

Table 1-1. Acronyms/Abbreviations Acronyms/Abbreviations Description ADC Analog-to-Digital Converter BOM Bill of Material GPIO General Purpose Input Output I2C Inter-Integrated Circuit ICD In-Circuit Debugger IoT Internet of Things EV96B94A Quick References © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 4

Acronyms/Abbreviations Description LDO Low-Dropout LED Light Emitting Diode MCU Microcontroller NC Not Connected OOB Out-of-Box PCB Printed Circuit Board PKOB PICKit On-Board PPS Peripheral Pin Select PWM Pulse Width Modulation RTCC Real Time Clock and Calendar RX Receiver SCL Serial Clock SDA Serial Data SMD Surface Mount Device SoC System-on-Chip SPI Serial Peripheral Interface SWD Serial Wire Debug TX Transmitter UART Universal Asynchronous Receiver-Transmitter USB Universal Serial Bus EV96B94A Quick References © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 5

Kit Overview The WBZ451 Curiosity Board contains a WBZ451PE module. All the signals from the WBZ451PE module are connected to on-board features of the Curiosity Board for flexibility and rapid prototyping. Figure 2-1. WBZ451 Curiosity Board (EV96B94A) – Top View Debug Connector (J36) Temperature Sensor (U3) 32.768 kHz Crystal (Y1) User LED (D5) Reset Switch (SW1) USB Hub IC (U17) Debug USB (J7) Status LED (D2) Active LED (D1) RGB LED (D6) Battery Header (J3) Battery Status LED (LD1) mikroBUS™ Socket (J4) Power Measurement Header (J6) External Power Supply Header (J5) User Configurable Switch (SW2) WBZ451PE Module (U6) Voltage Regulator(U10) EV96B94A Kit Overview © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 6

Figure 2-2. WBZ451 Curiosity Board (EV96B94A) – Bottom View Voltage Regulator (U13) Li-Ion/LiPo Charger (U12) PKOB4 Controller (U20) Power Distribution Switch (U19) USB-to-UART Serial Converter (U18) QSPI Flash (U7)

2.1 Kit Contents

The EV96B94A (WBZ451 Curiosity Board) kit contains the following:

A WBZ451PE module mounted on the WBZ451 Curiosity Board
A Type-A male to Micro-B USB cable Note: If any of the above items are missing in the kit, go to support.microchip.com or contact your local Microchip Sales office. In this user guide, there is a list of Microchip offices for sales and services provided on the last page. EV96B94A Kit Overview © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 7

Hardware This chapter describes the hardware features of the WBZ451 Curiosity Board. Figure 3-1. WBZ451 Curiosity Board Block Diagram Battery Management (MCP73871) (1) Linear Regulator (MCP1727) (1) Li-PO Battery Connector External Power Supply Header 1.9V-3.6V Module Power Supply Selection using Resistors 10 pin Cortex Debug Connector PKoB4 (ATSAME70N21B) (1) UART-USB Converter ( MCP2200) (1) Current Measurement Header

1 User LED

4.2V Micro USB Type B USB D_N, D_P 3.3V 32.768 kHz Crystal SOSC SWD Analog Temp Sensor (MPC9700A) (1) AN UART

3 PWM

(USB2512B) (1) Linear Regulator (MCP1727) (1) Power Distribution Switch (MIC2042) (1) Microchip Devices WBZ451 Module (WBZ451PE-I) (1) mikroBUS™ Socket QSPI Flash (SST26VF064B) (1) Reset Button

1 User Button

(DSC6011HI1B-024) (1) MEMS Oscillator (DSC6011HI1B-012) (1) Serial EEPROM (24LC256 (1) WBZ451 Curiosity Board Note: 1. Using Microchip’s total system solution, which includes complementary devices, software drivers and reference designs, is highly recommended to ensure the proven performance of the WBZ451 Curiosity Boards. For more details, go to support.microchip.com or contact your local Microchip Sales office.

3.1 Power Supply

The WBZ451 Curiosity Board can be powered using any of the following sources: 1. The USB supplies power to the WBZ451 Curiosity Board using a Type-A male to Micro-B USB cable connected to the (J7) Micro B USB connector. 2. 4.2V Li-ion/Li-Po battery kit as follows: – Connected to J3, JST PH, 2-pin, 2 mm pitch and right-angle male battery header – Crimp style connector, battery polarity according to ± marking on the Curiosity Board – Battery is not part of the kit – Minimum recommended battery capacity is 400 mAh with a battery charge voltage of 4.2V Battery management circuit automatically handles selection between USB power supply and battery supply. The following are the two on-board MCP1727 voltage regulators on the WBZ451 Curiosity Board that power the circuitry on-board.

U10 – Generates 3V that powers the WBZ451PE-I module along with the associated circuits
U13 – Generates 3.3V that powers the USB hub IC (U201), PKOB4 main controller (U300), along with the associated circuits that connect the PKOB4 debugger to a host PC and MCP2200 USB to UART converter EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 8

For more details on the U10 and U13 voltage regulators, refer to the MCP1727 1.5A, Low Voltage, Low Quiescent Current LDO Regulator Data Sheet (DS21999). Figure 3-2. WBZ451 Curiosity Board Power Supply Block Diagram Battery Charger MCP73871 Li-Ion/Li-Po 3VLDO MCP1727 3.3VLDO MCP1727 3V3_PKoB 1.9V-3.6V USB WBZ451PE-I Module USB HUB USB2512B PKoB4 ATSAME70N Peripherals 5V0 VBAT_OUT Battery Connector VBAT VBUS MCP2200 USB to UART Converter Power Supply Header The WBZ451PE module and associated peripherals can also be powered from:

External power supply header ( J5) using external power supply (1.9V – 3.6V) for testing at different voltage levels apart from the default supply of 3V from on-board regulator. To use the external power supply header, disconnect the on-board 3V supply according to the following table: Table 3-1. Resistor Option to Select the WBZ451PE Module Power Supply On-board 3V Regulator External Power Supply Mount R26 Do not mount R26 Do not mount R32 Mount R32 EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 9

Figure 3-3. Resistor Position to Select the WBZ451PE Module Power Supply Resistor position (R26, R32) Note: The maximum available current from the PS USB (J7) is limited to 500 mA. The current is shared between charging the external battery (if connected) and the target application section.

3.2 Li-Po Battery Charger

A 4.2V, Li-Po battery connected to the 2-pin, 2 mm pitch right-angle male battery header can be charged using Battery Management IC MCP73871-2CC (U12) from the USB power supply at 100 mA fast charge current. The battery management circuit automatically handles selection between the USB power supply and battery supply. The current is shared between charging the battery (if connected) and the target application section. For more details on the MCP73871 Li-ion/Li-Po battery charger, refer to the Stand-Alone System Load Sharing and Li-Ion/Li-Polymer Battery Charge Management Controller Data Sheet (DS20002090). Table 3-2. LD1 Battery Charger Status LED LED Color Function Red (charging) The battery is charged by the USB when USB is plugged-in. Red (discharging) The battery voltage is low. Triggers, if the voltage is under 3.1V. Green Fully charged.

3.3 Power Measurement Header (J6)

To measure the power going to the WBZ451PE module, 1x2, 2.54 mm male pin header with shunt connector (I-MEAS, J6) is provided. Remove the jumper (JP1) from J6 and connect an ammeter across its pins to measure the current. A shunt resistor (R36) option (DNP) across the jumper is also provided, which provides a relationship EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 10

between the voltage drop and current consumption. For current profiling in terms of voltage using a voltage probe, mount R36 and measure the voltage drop across the shunt resistor. 3.4 USB Connectivity using Microchip USB 2.0 Hub Controller The WBZ451 Curiosity Board has two USB end device PKOB4 and MCP2200. Both these USB devices are accessible to the upstream PC via a common USB connector using Microchip USB 2.0 High Speed Hub Controller USB2512B providing the user with more ease of use. Figure 3-4. USB Connectivity using Hub Controller USB Upstream USB2512B USB Hub IC USB DN2 MCP2200 PKOB4 USB DN1 When the WBZ451 Curiosity Board is plugged into the upstream PC using a micro USB cable, device enumeration is as shown in the following figure for the PKOB4 and MCP2200. EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 11

Figure 3-5. Device Manager PKOB4 Debug interface MCP2200 USB to UART Converter

3.5 PICkit On-Board 4 (PKOB4) and Debugger/Programmer Selection

The WBZ451 Curiosity Board includes an integrated programmer and debugger MPLAB PICkit On-Board 4 (PKOB4), a new generation of In-Circuit Debugger, which requires no additional programming/debugging tool to get started. Features and capabilities of PKOB4:

Connects to a computer through high-speed USB 2.0 (480 Mbits/s) cable
Programs the devices using MPLAB X IDE or MPLAB IPE
Supports multiple hardware and software breakpoints, stopwatch and source code file debugging
Debugs the application in real time
Sets breakpoints based on the internal events
Monitors the internal file registers EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 12

Debugs at full speed
Configures the pin drivers
Field-upgradeable through an MPLAB X IDE firmware download
Indicates debugger status through on-board LED's development board functionality and features The PKOB4 on the WBZ451 Curiosity Board is intended to support programming and debugging the target device (WBZ451PE module) through the micro-B USB connector (J7) from the Host PC. Other PKOB4 features, such as data gateway and PICKIT4 On-Board Virtual COM Port are not used in the WBZ451 Curiosity Board. By default, the on-board debugger (PKOB4) is connected to the programming pins (SWDIO and SWDCLK) of the WBZ451PE module. The voltage level translators are provided on signals between PKOB4 and WBZ451PE module for supporting target voltage from 1.9V – 3.6V. Two PKOB4 LEDs indicate:
Green ( D1) – ACTIVE indicator
Yellow ( D2) – STATUS indicator In addition, the Curiosity Board supports external debuggers, such as MPLAB ICD4 by connecting to the Debug Connector (J36). The WBZ451PE programming/debugging through PKOB4 and external debugger is supported at the target voltage of 3V and at room temperature. Refer to the PIC32CX-BZ2 Family Silicon Errata Sheet for more details. The Debug Connector (J36) follows the standard ARM SWD 10 pinout as shown in the following figure. MPLAB ICD4 can be connected to the DBG header using the Debugger Adapter Board (AC102015). For more details, refer to www.microchip.com/DevelopmentTools/ProductDetails/AC102015. Table 3-3. SWD Debug Connector Details Pin Number of DBG Header Pin Name Description

1 VCC WBZ451, also for other instances of

2 SWDIO PB9, SWD programming data

3 GND Ground

4 SWCLK PB8, SWD programming clock

5 GND Ground

6 SWO PB7, optional trace output

7 NC No connection

8 NC No connection

9 GND Ground

10 RESET RF module Reset NMCLR pin

3.6 USB-UART Virtual COM Port

The WBZ451 Curiosity Board has an on-board MCP2200 (U18) acts as a USB to the UART converter with hardware flow control support and enables the user through the micro-B USB connector (J7) from the Host PC. MCP2200 supports UART baud rates from 300-1000 kbps. Voltage level translators are provided on signals between MCP2200 and WBZ451PE module for supporting target voltage from 1.9V – 3.6V when powered externally. EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 13

Table 3-4. USB Serial Converter Pin Assignment Pin on MCP2200 Pin on WBZ451PE Module Description TX PA6, SERCOM0_PAD1 UART RX pin of the WBZ451PE module RX PA5, SERCOM0_PAD0 UART TX pin of the WBZ451PE module RTS PA4, SERCOM0_PAD3 UART CTS pin of the WBZ451PE module CTS PA3, SERCOM0_PAD2 UART RTS pin of the WBZ451PE module 3.7 mikroBUS Socket (J4) A mikroBUS socket (J4) expands the functionality of the WBZ451 Curiosity Board using the MikroElectronika Click adapter boards. The mikroBUS connector consists of:

Two 1x8 female headers with Serial Peripheral Interface (SPI)
Inter-Integrated Circuit (I 2C)
Reset Pin (RST)
Pulse Width Modulation
Analog and interrupt lines
3.3V, 5V and ground power lines For a complete listing of the Click boards, refer to www.mikroe.com/click. The GPIO pins for the mikroBUS sockets is assigned to route I2C, and SPI peripherals and other GPIO pins as follows. Note: Traditional Serial Communication Interface Documentation uses the terminology “Master” and “Slave” equivalent Microchip terminology used in this document is “Host” and “Client”, respectively. Table 3-5. mikroBUS Socket Pinout Details Pin Number Pin Name Pin on WBZ451PE Module Description

1 AN PB1, AN5 ADC analog input

2 RST PB2 General purpose I/O pin

3 CS PA9, SERCOM1_PAD2 Client select pin for SPI/

4 SCK PA8, SERCOM1_PAD1 SPI clock

5 MISO PA10, SERCOM1_PAD3 SPI host input client

6 MOSI PA7, SERCOM1_PAD0 SPI host output client

7 +3.3V +3V 3V power

8 GND GND Ground

9 GND GND Ground

Pin Number Pin Name Pin on WBZ451PE Module Description 10 +5V +5V 5V power

11 SDA PA13, SERCOM2_PAD0 I2C data

12 SCL PA14, SERCOM2_PAD1 I2C clock

13 TX PA7, SERCOM1_PAD0 UART TX

14 RX PA8, SERCOM1_PAD1 UART RX

15 INT PA2 Interrupt pin/General

purpose I/O pin. Shared with PWM pin

16 PWM PA2 PWM pin/General

purpose I/O pin. Shared with INT pin Notes: 1. In the mikroBUS socket, both INT and PWM are connected to PA2. Using both INT and PWM simultaneously are not supported (for example, refer to www.mikroe.com/stepper-2-click). 2. In the mikroBUS socket, PA8 is shared between SPI SCK and UART RX and depopulates R123 to isolate SPI SCK and depopulates R122 to isolate UART RX. 3. In the mikroBUS socket, PA7 is shared between SPI MOSI and UART TX and depopulates R125 to isolate SPI MOSI and depopulates R124 to isolate UART TX.

3.8 Switches

The following switches are available on the WBZ451 Curiosity Board:

Reset switch ( SW1)
User configurable switch ( SW2) In the Idle state, the level of the Reset switch is pulled high using the external pull up resistor and, when the switch is pressed, it drives the level of the switch to low and resets the WBZ451PE module. The user-configurable switch is also pulled high using the external pull up resistor and, when the switch is pressed, it drives the level of the switch to low. Table 3-6. Switches Description Switch Name Pin on WBZ451PE Module Description Reset (SW1) NMCLR Reset switch (SW1) connected to NMCLR pin USR-BTN (SW2) PB4 User configurable switch (SW2)

3.9 LEDs

3.9.1 User LED (D5)

One user-programmable blue indicator LED (D5) is available on the WBZ451 Curiosity Board, and this LED can be turned ON or OFF using the connected GPIO pin PB7. Drive the pin to a high level to turn OFF the LED and drive the pin to a low level to turn ON the LED. EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 15

Important: PB7 is also SWO pin on the WBZ451PE module. During a programming/debug session with MPLABx IDE, this pin is always driven low from the WBZ451PE module, thus making the user LED turned ON during the entire DEBUG session. When the DEBUG session is exited, this pin operates normally.

3.9.2 RGB LED (D6)

Three PWM signals from the WBZ451PE module are connected to RGB LED (D6) on the WBZ451 Curiosity Board. Table 3-7. RGB LED Pin Description Color Pin on WBZ451 Red PB0 Green PB3 Blue PB5

3.10 Temperature Sensor (U3)

Analog output from the temperature sensor (2.3V – 5.5V Microchip MCP9700A, U3) is connected to one of the analog pins (PB6, AN2) of the WBZ451PE module's ADC channel. For more details, refer to the MCP9700A, Low-Power Linear Active Thermistor IC Data Sheet (DS20001942).

3.11 QSPI Serial Flash

The WBZ451 Curiosity Board has an on-board 64-Mb, 2.3-3.6V Serial Quad I/O (SQI) Flash SST26VF064B (U6) memory for storage of data. A default SST26VF064B at power-up enables WP# and HOLD pins and disables SIO2 and SIO3 pins allowing for SPI protocol operations without register configuration. Register configuration is required to switch to Quad I/O operation with QSPI. Table 3-8. QSPI Flash Pin Description QSPI Flash Pin on WBZ451PE Module Description CE PB10, QSPI_CS QSPI chip select SO/SIO1 PB13, QSPI_DATA1 QSPI data channel 1 WP/SIO2 PA0, QSPI_DATA2 QSPI data channel 2 VSS GND Ground SI/SIO0 PB12, QSPI_DATA0 QSPI data channel 0 SCK PB11, QSPI_SCK QSPI clock Hold/SIO3 PA1, QSPI_DATA3 QSPI data channel 3 VDD VDD VDD 3.12 32.768 kHz Secondary Oscillator The 32.768 kHz crystal connected to SOSC pins (PA11 and PA12) of the WBZ451PE module. EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 16

3.13 WBZ451PE Module

For more details on the WBZ451PE module pinout details, refer to the PIC32CX-BZ2 and WBZ45 Family Data Sheet (DS70005504). Note: The user can configure the Peripheral Pin Select (PPS) pins for any of the supported peripheral functions based on the end user application.

3.14 Limitations of Using Battery and External Power Supply

Battery Power: The battery management circuit is designed for a 4.2V battery going to a downstream 3V regulator. When the battery voltage is near to the required minimum input voltage of the regulator, it may affect the regulated output. It is advised to use a fully charged battery for evaluation and recharge the battery as soon as the low battery output indicator is turned ON at 3.1V. External Power Supply Header: The WBZ451 Curiosity Board is designed by default for evaluating the WBZ451PE module and associated peripherals with an on-board 3V regulator. The following limitations apply for the circuitry if the WBZ451PE module and associated circuitry is powered from external power supply header at other voltages:

QSPI Serial Flash SST26VF064B (U6) – Standard operating voltage for the QSPI serial Flash is 2.3V – 3.6V operation
Temperature Sensor MPC9700A (U3) – Standard operating voltage for the temperature sensor is 2.3V – 3.6V operation
User LED (D5) – Designed for 3V operation; LED brightness at lower voltages will be dull or no glow. To increase the emitted light level, the value of the series resistor (R42) can be lowered.
RGB Lighting LED (D6) – RGB lightning LED is powered from VBAT net. It requires either USB or battery power supply to be plugged in to be functional. EV96B94A Hardware © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 17

WBZ451 Curiosity Board Out of Box Demo The ble_zigbee_light_prov demo application is pre-programmed on the Curiosity board. This application brings several Bluetooth Low Energy, Zigbee and Multiprotocol (Bluetooth Low Energy and Zigbee) concepts to practice. For more details for the Out-of-Box (OOB) demo source code and demo guide, refer to the following:

Preprogrammed Demo Software EV96B94A WBZ451 Curiosity Board Out of Box Demo © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 18

Appendix A: Reference Circuit

5.1 WBZ451 Curiosity Board Reference Schematics

Figure 5-1. Power Distribution Switch for PKoB4 GND 10uF 25V 0603 C56 GND GND GNDGNDGND GND MIC2042 VBIAS VIN VIN EN /FAULT SLEW ILIM VOUT VOUT VOUT PGREF UVLOINPWRGD GND U19 24.3k 0402 R81 GND 3V3_PKOB 3V3_PKOB 0.1uF 10V 0402 C55 0.1uF 10V 0402 C59 10k 0402 R77 10k 0402 R84 10k 0402 R78 442k 0402 R79 0.01uF 50V 0402 C60 GND 95.3k 0402 R80 5.62k 0402 R82 5V0 270R 0402 R83 VBUS 5V0_USBGOOD 5V0_nUSBFLT 0.1uF 10V 0402 C75 22uF 16V 0805 C76 3 ms slew rate 1.5A output current, R83=CLF/ILIM=395/1.5=263.3 ohms (22% tolerance) 4.4V power good threshold, 4.1V undervoltage in shutdown threshold, VUVTH=0.23*(1+95.3k/5.62k)=4.13V EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 19

Figure 5-8. MCP2200 USB UART Converter MCPD_P MCPD_N VDD VUSB RST RTS CTS TX RX OSC1 OSC2 VSS SPND/GP0 USBCFG/GP1 GP2 GP3 GP4 GP5 RXLED/GP6 TXLED/GP7 PAD MCP2200-I/MQ U18 MCP2200 QFN-20GND 3V3_PKOB RTS CTS TX RX VCP_UART_VLT 10k 0402 R76 GND GND GND VCP_UART_VLT 3V3_PKOB

12 MHz

0.1uF 16V 0201 C57 GND 3V3_PKOB 0.1uF 16V 0201 C78 STITCHING CAP 0.1uF 10V 0402 C58 Figure 5-9. Application Virtual Comm Port 3V3_PKOB GND GND 22R 0402 3V3_PKOB GND 22R 0402 RX TX RTS CTS VCP_UART_VLT VCP_UART_VLT TVDD TVDD GND RTS CTS TXD RXD VCP UART VCP_UART 3V3_PKOB GND 22R 0402 TVDD 3V3_PKOB GND 22R 0402 TVDD GND 0.1uF 16V 0201 GND GND 0.1uF 16V 0201 C72 GND GND 74LVC1T45FW4-7 DIR A B GND VCCA VCCB 74LVC1T45FW4-7 DIR A B GND VCCA VCCB 74LVC1T45FW4-7 DIR A B GND VCCA VCCB 74LVC1T45FW4-7 DIR A B GND VCCA VCCB U5 0.1uF 16V 0201 C77 GND 0.1uF 16V 0201 0.1uF 16V 0201 0.1uF 16V 0201 0.1uF 16V 0201 C73 0.1uF 16V 0201 C74 10k 0402 R115 TVDD GND 3V3_PKOB GND 3V3_PKOB Buffer voltage range is 1.2V to 5.5V To Application UART (TX) To Application UART (RX) EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 23

Figure 5-12. PKoB4 Debug Header Misc 1 of 2 24LC256 SDA WP VSS SCL VCC GND GND GND 10000pF 16V 0402 C18 UTIL_SCL UTIL_SDA 3V3_PKOB3V3_PKOB 0.1uF 16V 0201 C27 XIN 3V3_PKOB STB GND OUT VDD 3V3_PKOB ERASE PKOB4_SWDIO PKOB4_SWCLK PKOB4_nRST GND PKOB4_TDO HDR-1.27 Male 1x2 3V3_PKOB SWDIO SWDCLK SWO RST Test Point Array 2x5 JTAG TCK GND TDO VTref TMS SRST Vsup TRST TDI GND J13V3_PKOB 100k 0402 R18 100k 0402 R19 GREEN YELLOW 0402 5% R20 ACTIVE STATUS 330R 0402 R21 EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 25

Figure 5-17. Serial Wire Debug 3V3_PKOB GND 3V3_PKOB GND GND 3V3_PKOB CLK_EN 3V3_PKOB DATA_EN 3V3_PKOB GND GND 3V3_PKOB TMS_DIR ISP_SPI1_SPCK ICSP_SPI0_MISO STREAM_TXD2 ICSP_SPI0_SPCK SPI1_NPCS0 GND GND GND GND (TMS_TAR) (TMS_IN) (ICSP_SCK) (SCK_IN) (ICSP_SDI) TVDD TVDD TVDD SWCLK SWDO SWDI SWO_IN SWCLK_IN NRST CLK_EN DATA_EN TMS_DIR SWD SWD STREAM_TXD2 SPI1_NPCS0 ICSP_SPI0_MISO ISP_SPI1_SPCK ICSP_SPI0_SPCK 22R 0402 R53 22R 0402 R40 22R 0402 R62 0.1uF 16V 0201 C39 3.3k 0402 R52 3.3k 0402 R59 3.3k 0402 R65 DATA_EN TMS_DIR CLK_EN SWDIO SWDCLK SWO TGT_DBG TGT_DBG 330R 0402 R41 330R 0402 R54 330R 0402 R58 330R 04021% R63 330R 0402 R64 0.1uF 16V 0201 C38 47k 0402 R60 GND IRLML6402 GND GND VPP_ON VPP_GND 4.7k 0402 R89 4.7k 0402 R66 4.7k 0402 R61 TN2106 TN2106 10uF 10V 0402 C64 TVDD 100R 0402 R88 GND NMCLR 74LVC1T45FW4-7 DIR5 A 3B4 GND 2 VCCA 1VCCB6 U14 74LVC1T45FW4-7 DIR5 A 3B4 GND 2 VCCA 1VCCB6 U15 74LVC1T45FW4-7 DIR 5 A3 B 4 GND2 VCCA1 VCCB 6 U16 0.1uF 16V 0201 C40 10k 0402 R109 Buffer voltage range is 1.2V to 5.5V To Application SWD/JTAG To Application VPP/MCLR EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 28

Figure 5-18. WBZ451 Curiosity Board GND SWDIO SWDCLK SWO TGT_DBG AN RST CS SCK MISO MOSI SDA SCL TX RX INT PWM mikroBus mikroBus RED_LED BLUE_LED GREEN_LED RGB LED RGB LED GND PA13/SERCOM2_PAD0/MB_SDA PA14/SERCOM2_PAD1/MB_SCL TGT_VDD TGT_DBG 32.768 kHz GND RTS CTS TXD RXD VCP UART VCP_UART 0402 R10 0402 R15 0.1uF 10V 0402 0.1uF 10V 0402 C61 18 pF 18 pF C11 PB0/RPB0/RGBLED_RED PB3/RPB3/RGBLED_GREEN 0402 R22 0402 R94 PB5/RPB5/RBGLED_BLUE NMCLR PB7/M B_INT/TG T_SW O PB8/TG T_SW DCLK SST26VF064B-104I/MF CE SO/SIO1 WP/SIO2 VSS SI/SIO0 SCK HOLD/SIO3 VDD TPAD U7 TVDD GND 100k 0402 0.1uF 10V 0402 C10 TVDD PB10/QSPI_CS PB13/QSPI_DATA1 PA0/QSPI_DATA2 100k 0402 R98 PA1/QSPI_DATA3 PB11/QSPI_SCK PB12/QSPI_DATA0 PA8/SERCOM_PAD1/MB_SPI_SCK PA7/SERCOM1_PAD0/MB_SPI_MOSI PA9_SERCOM1_PAD2/MB_SPI_SS PA10/SERCOM1_PAD3/MB_SPI_MISO PA3/SERCOM0_PAD2/UART RTS BUTTON 1 0402 R69 0402 R91 0402 R93 PB2/MB_RST PA4/SERCOM0_PAD3/UART_CTS PA6/SERCOM0_PAD1/UART_RXD PA5/SERCOM0_PAD0/UART_TXD PB9/TG T_SW DIO PA2/RPA2/TCC1_WO1/MB_PWM 0402 R100 PB1/MB_AN Test Point Array 1x9 1 2 3 4 5 6 7 8 9 PB10/QSPI_CS PA0/QSPI_DATA2 GND GND 0402 R92 TEMP_SENSOR GND TVDD PA4/SERCOM0_PAD3/UART_CTS PB11/QSPI_SCK PA1/QSPI_DATA3 PB12/QSPI_DATA0 PB13/QSPI_DATA1 PA6/SERCOM0_PAD1/UART_RXD 0402 R99 0402 R101 0402 R106 33R 0402 R107 0402 R102 0402 R103 USER_LED 0402 R14 TP4 0402 R97 PA3/SERCOM0_PAD2/UART RTS0402 PA5/SERCOM0_PAD0/UART_TXD 4.7uF 10V 0402 TP6 TP5 0402 R112 0402 R111 100k 0201 R113 TVDD GND GND TGT_VDD 0.1uF 10V 0402 C30 TP19 TP20 TP21 0402 R114 0402 R95 GND 10k 0402 R119 TVDD 10k 0402 R117 TVDD 10k 0402 R118 TVDD 33R 0402 R105 33R 0402 R104 33R 0402 R57 33R 0402 R96 33R 0402 R12 33R 0402 R11 33R 0402 R16 GND GND GND NMCLR PB0 GND VDD_A PB3 PB5 PA11 PA12 PB6 GND PB7 PB8 PB9 PA4 PB10 PB11 GND PA0 PA1 PB12 PB13 PA6 GND VDD VDD PA8 PA9 PA7 PA10 PA13 PA14 PA2 PA3 PB2 PB1 PA5 PB4 TPAD_GND TPAD_GND WBZ451PE-I 2.7-3.6V: 104 MHz max 2.3-3.6V: 80 MHz max EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 29

5.2 WBZ451 Curiosity Board Bill of Materials

The following table provides the Bill of Materials (BOM) for the WBZ451 carrier board. Table 5-1. Bill of Materials Reference Description Manufacturer Part Number C1, C2, C3, C4, C12, C13, C16, C17, C19, C20, C21, C22, C23, C24, C25, C27, C38, C39, C40, C52, C54, C57, C62, C72, C73, C74, C77 CAP CER 0.1 μF 16V 10% X5R SMD 0201 Murata Electronics North America GRM033R61C104KE84D C6, C10, C29, C30, C41, C42, C43, C44, C48, C49, C55, C58, C59, C61, C66, C67, C68, C75 CAP CER 0.1 μF 10V 10% X5R SMD 0402 KEMET C0402C104K8PACTU C7, C14, C15, C26, C34, C37, C46, C53, C79 CAP CER 4.7 μF 10V 10% X5R SMD 0402 TDK Corporation C1005X5R1A475K050BC C9, C11 CAP CER 18 pF 50V 2% NP0 SMD 0402 Murata GRM1555C1H180GA01D C18 CAP CER 10000 pF 16V 10% X7R SMD 0402 KEMET C0402C103K4RACTU C31, C56 CAP CER 10 μF 25V 20% X5R SMD 0603 TDK Corporation C1608X5R1E106M080AC C32, C33 CAP CER 4.7 μF 16V 10% X5R SMD 0603 TDK Corporation C1608X5R1C475K080AC C36, C65 CAP CER 1000 pF 50V 10% X7R SMD 0402 Murata GRM155R71H102KA01D C60, C69, C70 CAP CER 0.01 μF 50V 10% X7R SMD 0402 AEC-Q200, CAP CER 0.01 μF 50V 10% X7R SMD 0402 TDK Corporation CGA2B3X7R1H103K050BB C63 CAP CER 10 pF 25V 0.5 pF C0G SMD 0201 TDK Corporation C0603C0G1E100D030BA C76 CAP CER 22 μF 16V 10% X5R SMD 0805 TDK C2012X5R1C226K125AC D1 DIO LED GREEN 2V 30 mA 35 mcd Clear SMD 0603 Lite-On Inc LTST-C191KGKT D2 DIO LED YELLOW 2.1V 20 mA 6 mcd Clear SMD 0603 Lite-On LTST-C190YKT D5 DIO LED BLUE 2.85V 5 mA 49.5 mcd Diffuse SMD 470 nm OSRAM Opto Semiconductors Inc. LB QH9G-N1OO-35-1 D6 DIO LED TRI 2.2V Red, 3.3V Green, 3.3V Blue 6-SMD Lite-On Inc. LTST-G563EGBW FB1, FB2 FERRITE 2A 600R SMD 0805 TDK Corporation MPZ2012S601AT000 EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 33

Reference Description Manufacturer Part Number FB3 FERRITE 2A 220R SMD 0805 Murata Electronics North America BLM21PG221SN1D J3 CON HDR-2 Male 1x2 SHROUD

3.3 MH TH R/A

S2B-PH-K-S(LF)(SN) J4 SOCKET mikroBUS HOST DIP 16 TH Sullins Connector Solutions PPTC081LFBN-RC J5, J6 CON HDR-2.54 Male 1x2 Gold

5.84 MH TH VERT

J7 CON USB2.0 MICRO-B FEMALE TH/SMD R/A FCI 10118194-0001LF J36 CON HDR-1.27 Male 2x5 Gold

3.05 MH TH VERT

Amphenol FCI 20021111-00010T4LF LABEL1 LABEL PCBA 18x6 mm Datamatrix Assy# / Rev / Serial / Date ACT Logimark AS 505462 LD1 LED GREEN/RED BICOLOR 0606 Lite-On Inc LTST-C195KGJRKT Q1 TRANS FET P-CH IRLML6402 -20V -3.7A 1.3W SOT-23-3 International Rectifier IRLML6402TRPBF Q4, Q5, Q6 TRANS BJT NPN DUAL BC847BS,115 45V 100 mA 300 mW SOT-363 Nexperia USA Inc BC847BS,115 R1, R2, R3, R4, R53, R62 RES TKF 22R 1% 1/20W SMD 0402 Panasonic Electronic Components ERJ-2RKF22R0X R5, R6, R10, R13, R14, R15, R17, R22, R26, R31, R56, R69, R91, R92, R93, R94, R95, R97, R99, R100, R101, R102, R103, R106, R111, R112, R114, R120, R121, R122, R123, R124, R125 RES TKF 0R 1/16W SMD 0402 Yageo RC0402JR-070RL R9, R18, R19, R30, R38, R71, R90, R98, R108, R110 RES TKF 100k 5% 1/16W SMD 0402 Yageo RC0402JR-07100KL R11, R12, R16, R46, R48, R50, R57, R96, R104, R105, R107 RES TKF 33R 1% 1/16W SMD 0402 Rohm Semiconductor MCR01MRTF33R0 R20, R27, R42, R87 RES TKF 1k 5% 1/16W SMD 0402 Yageo RC0402JR-071KL R21, R41, R54, R58, R63, R64 RES TKF 330R 1% 1/16W SMD 0402 Yageo RC0402FR-07330RL R23, R24, R39, R89 RES TKF 4.7k 1% 1/16W SMD 0402 Yageo RC0402FR-074K7L EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 34

Reference Description Manufacturer Part Number R28, R29, R35, R68, R76, R78, R84, R115, R116, R117, R118, R119 RES TKF 10k 5% 1/16W SMD 0402 Vishay CRCW040210K0JNED R33 RES TKF 31.6k 1% 1/10W SMD 0402 Panasonic ERJ-2RKF3162X R34, R60, R72, R74 RES TKF 47k 5% 1/16W SMD 0402 Yageo RC0402JR-0747KL R37 RES TKF 100R 1% 1/10W SMD 0603 ROHM MCR03EZPFX1000 R43, R44, R45 RES TKF 22k 5% 1/10W SMD 0402 Panasonic ERJ-2GEJ223X R47, R49, R51, R52, R59, R65 RES TKF 3.3k 1% 1/10W SMD 0402 Panasonic - ECG ERJ-2RKF3301X R75 RES TKF 12k 1% 1/16W SMD 0402 Rohm Semiconductor MCR01MZPF1202 R79 RES TKF 442k 1% 1/16W SMD 0402 Samsung Electro- Mechanics America, Inc RC1005F4423CS R80 RES TKF 95.3k 1% 1/16W SMD 0402 Rohm Semiconductor MCR01MRTF9532 R81 RES TKF 24.3k 1% 1/16W SMD 0402 Samsung RC1005F2432CS R82, R85 RES TKF 5.62k 1% 1/16W SMD 0402 Vishay Dale CRCW04025K62FKED R83 RES TKF 270R 5% 1/10W SMD 0402 Panasonic ERJ-2GEJ271X R88 RES TKF 100R 1% 1/16W SMD 0402 Yageo RC0402FR-07100RL R126 RES TKF 0R 1/8W SMD 0805 Panasonic ERJ-6GEY0R00V SW1, SW2 SWITCH TACTILE SPST-NO 32V 0.05A KMR221GLFS C&K KMR221GLFS U1, U2, U4, U5, U14, U15, U16 IC VOLTAGE TRANSLATOR BI-DIR 1 CIRCUIT 74LVC1T45FW4-7 X2- DFN1010-6 Diodes Incorporated 74LVC1T45FW4-7 U11 IC FILTER EMI2124MTTAG COMMON MODE ESD WDFN-8 ON Semiconductor EMI2124MTTAG X1 RESONATOR 12 MHz 0.07% SMD CSTNE 3-SMD Murata Electronics CSTNE12M0GH5L000R0 Y1 CRYSTAL 32.768 kHz 12.5 pF SMD ABS07 Seiko SC32S-12.5PF20PPM EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 35

Reference Description Manufacturer Part Number Q2, Q8 MCHP ANALOG MOSFET N-CH TN2106 60V 28 0mA 360 mW 2.5R SOT23-3 Microchip Technology TN2106K1-G U3 MCHP ANALOG TEMPERATURE SENSOR -40℃ to +150℃ MCP9700AT-E/TT SOT-23-3 Microchip Technology MCP9700AT-E/TT U6 MOD BLE/ZIGBEE WBZ451PE-I Microchip Technology WBZ451PE-I U7 MCHP SERIAL FLASH SST26VF064B-104I/MF WDFN-8 Microchip Technology SST26VF064B-104I/MF U8 MCHP MEMORY SERIAL EEPROM 256k I2C 24LC256T- E/ST TSSOP-8 Microchip Technology 24LC256T-E/ST U10 MCHP ANALOG LDO 3V MCP1727-3002E/MF Microchip Technology MCP1727-3002E/MF U13 MCHP ANALOG LDO 3.3V MCP1727-3302E/MF Microchip Technology MCP1727-3302E/MF U12 MCHP ANALOG BATTERY CHARGER MCP73871-2CCI/ML QFN-20 Microchip Technology MCP73871-2CCI/ML U17 MCHP INTERFACE USB 2.0 HUB CTRLR USB2512B-I/M2 SQFN-36 Microchip Technology USB2512B-I/M2 U18 MCHP INTERFACE USB UART MCP2200-I/MQ QFN-20 Microchip Technology MCP2200-I/MQ U19 MCHP ANALOG POWER SWITCH 5.5V 3A MIC2042-1YTS TSSOP-14 Microchip Technology MIC2042-1YTS U20 MCHP MCU 32-BIT 300 MHz 2 MB 384K x 8 ATSAME70N21B- CNT TFBGA-100 Microchip Technology ATSAME70N21B-CNT Y2 MCHP CMOS OSCILLATOR 12 MHz DSC6011HI1B-012.0000 SMD VFLGA-4 Microchip Technology DSC6011HI1B-012.0000 Y3 MCHP CMOS OSCILLATOR 24 MHz DSC6011HI1B-024.0000 SMD VFLGA-4 Microchip Technology DSC6011HI1B-024.0000 JP1 MECH HW JUMPER 2.54 mm 1x2 Handle Gold TE Connectivity 881545-2 PAD1, PAD2 MECH HW RUBBER PAD Cylindrical flat top D8H2.8 Black 3M SJ5076BLACK C5, C8, C28, C35, C50 CAP CER 0.1 µF 10V 10% X5R SMD 0402 KEMET C0402C104K8PACTU C45, C47, C51, C71 CAP CER 0.01 µF 50V 10% X7R SMD 0402 TDK Corporation CGA2B3X7R1H103K050BB EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 36

Reference Description Manufacturer Part Number C64 CAP CER 10 µF 10V X5R SMD 0402 Samsung Electro- Mechanics CL05A106MP8NUB8 C78 CAP CER 0.1 µF 16V 10% X5R SMD 0201 Murata Electronics North America GRM033R61C104KE84D J2 CON HDR-1.27 Male 1x2 Gold TH VERT Digikey 952-3598-ND J9 CON STRIP Stacker Male 1x9 TH VERT Samtec DWM-09-59-S-S-415 Q3 MCHP ANALOG MOSFET N-CH TN2106 60V 280 mA 360 mW 2.5R SOT23-3 Microchip Technology TN2106K1-G Q7 TRANS FET P-CH IRLML6402 -20V -3.7A 1.3W SOT-23-3 International Rectifier IRLML6402TRPBF R7, R8, R61, R66 RES TKF 4.7k 1% 1/16W SMD 0402 Yageo RC0402FR-074K7L R25, R32 RES TKF 0R 1/16W SMD 0402 Yageo RC0402JR-070RL R36 RES TKF 1R 1% 1/16W SMD 0402 Yageo RC0402FR-071RL R40 RES TKF 22R 1% 1/20W SMD 0402 Panasonic Electronic Components ERJ-2RKF22R0X R55, R86 RES TKF 10k 5% 1/20W SMD 0201 Yageo RC0201JR-0710KL R67 RES TKF 31.6k 1% 1/10W SMD 0402 Panasonic ERJ-2RKF3162X R70, R73 RES TKF 47k 5% 1/16W SMD 0402 Yageo RC0402JR-0747KL R77 RES TKF 10k 5% 1/16W SMD 0402 Vishay CRCW040210K0JNED R109 RES TKF 10k 5% 1/10W SMD 0402 Panasonic ERJ-2GEJ103X R113 RES TKF 100k 1% 1/20W SMD 0201 Panasonic Electronic Components ERJ-1GEF1003C U9 MCHP MEMORY SERIAL EEPROM CRYPTO AUTH I2C ATECC608A-MAHDA-T UDFN-8 Microchip Technology ATECC608A-MAHDA-T EV96B94A Appendix A: Reference Circuit © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 37

Appendix: B Regulatory Approval This equipment (WBZ451 Curiosity Board/EV96B94A) is an evaluation kit and not a finished product. It is intended for laboratory evaluation purposes only. It is not directly marketed or sold to the general public through retail; it is only sold through authorized distributors or through Microchip. Using this requires a significant engineering expertise towards understanding of the tools and relevant technology, which can be expected only from a person who is professionally trained in the technology. Regulatory compliance settings have to follow the WBZ451PE module certifications. The following regulatory notices are to cover the requirements under the regulatory approval.

6.1 United States

The WBZ451 Curiosity Board (EV96B94A) contains the WBZ451PE module, which has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C “Intentional Radiators” single- modular approval in accordance with Part 15.212 Modular Transmitter approval. Contains FCC ID: 2ADHKWBZ451 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Important: FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for uncontrolled environment. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 8 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. This transmitter is restricted for use with the specific antenna(s) tested in this application for certification. CAUTIONAny changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

6.2 Canada

The WBZ451 Curiosity Board (EV96B94A) contains the WBZ451PE module, which has been certified for use in Canada under Innovation, Science and Economic Development Canada (ISED, formerly Industry Canada) Radio Standards Procedure (RSP) RSP-100, Radio Standards Specification (RSS) RSS-Gen and RSS-247. EV96B94A Appendix: B Regulatory Approval © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 38

Contains IC: 20266-WBZ451 This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s license-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference; 2. This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. WARNINGThis equipment complies with radio frequency exposure limits set forth by Innovation, Science and Economic Development Canada for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm between the device and the user or bystanders. Cet équipement est conforme aux limites d'exposition aux radiofréquences définies par d’Innovation, Sciences et Développement économique Canada pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre le dispositif et l'utilisateur ou des tiers.

6.3 Europe

This equipment (EV96B94A) has been assessed under the Radio Equipment Directive (RED) for use in European Union countries. The product does not exceed the specified power ratings, antenna specifications and/or installation requirements as specified in the user manual. A Declaration of Conformity is issued for each of these standards and kept on file as described in Radio Equipment Directive (RED). Simplified EU Declaration of Conformity Hereby, Microchip Technology Inc. declares that the radio equipment type [EV96B94A] is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at www.microchip.com/en-us/development-tool/ EV96B94A (See Conformity Documents). EV96B94A Appendix: B Regulatory Approval © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 39

Appendix C: PKOB4 Recovery Method When the MPLAB PICkit On-Board 4 is not responding, in rare cases, the user can recover its operation by following these steps: WARNINGOnly use this utility to restore the hardware tool boot firmware to its factory state. Use only if the hardware tool no longer functions on any machine. 1. With the WBZ451 Curiosity Board still being powered, short the two pads for approximately ten seconds. Figure 7-1. Location of Pads to Short 3. Click Debug > Hardware Tool Emergency Boot Firmware Recovery. EV96B94A Appendix C: PKOB4 Recovery Method © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 40

Figure 7-2. Hardware Tool Emergency Boot Firmware Recovery 4. Follow the directions on the screen. This resets the tool back to the factory conditions. Note: For additional information on the MPLAB PKOB4, refer to the MPLAB PICkit™ 4 In-Circuit Debugger User's Guide (DS50002751) and MPLAB Snap In-Circuit Debugger User's Guide (DS50002787). EV96B94A Appendix C: PKOB4 Recovery Method © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 41

Document Revision History Revision Date Section Description A 10/2022 Document Initial revision EV96B94A Document Revision History © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 42

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Technical Support Customers should contact their distributor, representative or ESE for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in this document. Technical support is available through the website at: www.microchip.com/support Microchip Devices Code Protection Feature Note the following details of the code protection feature on Microchip products:
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Neither Microchip nor any other semiconductor manufacturer can guarantee the security of its code. Code protection does not mean that we are guaranteeing the product is “unbreakable”. Code protection is constantly evolving. Microchip is committed to continuously improving the code protection features of our products. Legal Notice This publication and the information herein may be used only with Microchip products, including to design, test, and integrate Microchip products with your application. Use of this information in any other manner violates these terms. Information regarding device applications is provided only for your convenience and may be superseded EV96B94A © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 43

by updates. It is your responsibility to ensure that your application meets with your specifications. Contact your local Microchip sales office for additional support or, obtain additional support at www.microchip.com/en-us/support/ design-help/client-support-services. THIS INFORMATION IS PROVIDED BY MICROCHIP "AS IS". MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE, OR WARRANTIES RELATED TO ITS CONDITION, QUALITY, OR PERFORMANCE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL, OR CONSEQUENTIAL LOSS, DAMAGE, COST, OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE INFORMATION OR ITS USE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THE INFORMATION OR ITS USE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THE INFORMATION. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated. Trademarks The Microchip name and logo, the Microchip logo, Adaptec, AVR, AVR logo, AVR Freaks, BesTime, BitCloud, CryptoMemory, CryptoRF, dsPIC, flexPWR, HELDO, IGLOO, JukeBlox, KeeLoq, Kleer, LANCheck, LinkMD, maXStylus, maXTouch, MediaLB, megaAVR, Microsemi, Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, PolarFire, Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST, SST Logo, SuperFlash, Symmetricom, SyncServer, Tachyon, TimeSource, tinyAVR, UNI/O, Vectron, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AgileSwitch, APT, ClockWorks, The Embedded Control Solutions Company, EtherSynch, Flashtec, Hyper Speed Control, HyperLight Load, Libero, motorBench, mTouch, Powermite 3, Precision Edge, ProASIC, ProASIC Plus, ProASIC Plus logo, Quiet- Wire, SmartFusion, SyncWorld, Temux, TimeCesium, TimeHub, TimePictra, TimeProvider, TrueTime, and ZL are registered trademarks of Microchip Technology Incorporated in the U.S.A. Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, Augmented Switching, BlueSky, BodyCom, Clockstudio, CodeGuard, CryptoAuthentication, CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, Espresso T1S, EtherGREEN, GridTime, IdealBridge, In-Circuit Serial Programming, ICSP, INICnet, Intelligent Paralleling, IntelliMOS, Inter-Chip Connectivity, JitterBlocker, Knob-on-Display, KoD, maxCrypto, maxView, memBrain, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, Ripple Blocker, RTAX, RTG4, SAM- ICE, Serial Quad I/O, simpleMAP, SimpliPHY, SmartBuffer, SmartHLS, SMART-I.S., storClad, SQI, SuperSwitcher, SuperSwitcher II, Switchtec, SynchroPHY, Total Endurance, Trusted Time, TSHARC, USBCheck, VariSense, VectorBlox, VeriPHY, ViewSpan, WiperLock, XpressConnect, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. The Adaptec logo, Frequency on Demand, Silicon Storage Technology, and Symmcom are registered trademarks of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2022, Microchip Technology Incorporated and its subsidiaries. All Rights Reserved. ISBN: 978-1-6683-0806-6 EV96B94A © 2022 Microchip Technology Inc. and its subsidiaries User Guide DS50003367A-page 44

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Product Information

EV96B94A specifications and overview.

Summary

WBZ451 Curiosity Board Users Guide Revision A Date 10/2022

Description

WBZ451 Curiosity Board Users Guide Revision A Date 10/2022

Source title EV96B94A Datasheet(PDF) - Microchip Technology

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