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4.

WFI32-IoT Board Out of Box Demo

The WFI32-IoT board’s Out of the Box (OOB) demo is preloaded with a firmware image that enables the user to
quickly connect and send data to the AWS cloud using the on-board temperature and light sensors. The users can
easily build their own custom projects with software libraries and example codes provided in Harmony v3 framework.
The OOB demo connects to the cloud and allows the user to control the WFI32-IoT board via a web-based interface.

For more details about the code and documentation related to the OOB demo, go to

www.github.com/MicrochipTech/

EV36W50A

WFI32-IoT Board Out of Box Demo

©

2022 Microchip Technology Inc.

and its subsidiaries

User Guide

DS50003262A-page 16

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Summary of Contents for EV36W50A

Page 1: ...S and Azure Includes a PICkit On board 4 PKOB4 debugger interface and requires no external hardware to program and debug the WFI32E01PC module Includes a mikroBUS Click header which helps the users to...

Page 2: ...Light Sensor 14 3 9 Serial Flash 14 3 10 Secondary Oscillator 15 3 11 WFI32E01PC Module 15 4 WFI32 IoT Board Out of Box Demo 16 5 Appendix A Reference Circuit 17 5 1 WFI32 IoT Board Schematics 17 5 2...

Page 3: ...Quality Management System 36 Worldwide Sales and Service 37 EV36W50A 2022 Microchip Technology Inc and its subsidiaries User Guide DS50003262A page 3...

Page 4: ...Mbit Serial Quad I O SQI Flash Memory Data Sheet DS20005218 Stand Alone System Load Sharing and Li Ion Li Polymer Battery Charge Management Controller Data Sheet DS20002090 Universal Serial Bus Speci...

Page 5: ...t On Board PPS Peripheral Pin Select PWM Pulse Width Modulation RMII Reduced Media Independent Interface RTCC Real Time Clock and Calendar RTOS Real Time Operating System RX Receiver SCL Serial Clock...

Page 6: ...rypto device that helps to make a secure and authenticated cloud connection Figure 2 1 WFI32 IoT Board EV36W50A Top View Status LED D301 User Configurable LEDs D400 D401 D402 and D403 Battery Header J...

Page 7: ...A WFI32 IoT board kit contains the following A WFI32E01PC module mounted on the WFI32 IoT 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 m...

Page 8: ...Li PO Battery Connector 5V 4 2V Micro USB Type B USB Hub USB2514B IM2 1 LDO MCP1727 1 LDO MCP1727 1 3 3V MEMS Oscillator DSC6011HI1B 024 1 MEMS Oscillator DSC6011JI1B 012 1 Microchip Devices WFI32 Io...

Page 9: ...y header 3 1 1 Li ion Li Po Battery Charger U101 The WFI32 IoT board features an on board MCP73871 Li ion Li Po battery charger The battery management circuit automatically handles the selection betwe...

Page 10: ...d 4 PKOB4 is a new generation of in circuit debugger The MPLAB PKOB4 programs faster than its predecessor and is designed to use a high speed USB 2 0 interface providing a feature rich debugging exper...

Page 11: ...ceding figure to bring the tool back to factory condition For additional information on the MPLAB PKOB4 refer to the MPLAB PICkit 4 In Circuit Debugger User s Guide DS50002751 and MPLAB Snap In Circui...

Page 12: ...V 3 3V power 3 3V 8 GND Ground GND 9 GND Ground GND 10 5V 5V power 5V 11 SDA I2C Data SDA1 RPA5 RA5 12 SCL I2C Clock SCL1 RPA4 RA4 13 TX UART transmit PTA_BT_ACTIVE RPK7 RK7 14 RX UART receive TDI PGD...

Page 13: ...llow D301 STATUS indicator LEDs related to the WFI32E01PC module Red LED D400 Yellow LED D401 Green LED D402 Blue LED D403 The following table lists the LEDs that can be turned ON or OFF using the con...

Page 14: ...ntensity of visible light The light sensor is mounted on the WFI32 IoT board for measuring the light intensity Table 3 5 Light Sensor Pin Name Description Pin on WFI32E01PC Module SDA I2C Data SDA1 RP...

Page 15: ...ta Sheet DS70005425 3 10 Secondary Oscillator The secondary oscillator Y400 pin has an on board 32 768 kHz crystal connected to the SOSCO PK15 and SOSCI PB15 pins of the WFI32E01PC module for the RTCC...

Page 16: ...ild their own custom projects with software libraries and example codes provided in Harmony v3 framework The OOB demo connects to the cloud and allows the user to control the WFI32 IoT board via a web...

Page 17: ...age in shutdown threshold VUVTH 0 23 1 95 3k 5 62k 4 13V Figure 5 2 Li Po Battery Connector Charger 10uF 25V 0603 C106 GND 4 7uF 16V 0603 C108 RED D100 GND 5V0 GND 5V0 GND GND 4 7uF 16V 0603 C107 GND...

Page 18: ...P100 1 TP105 GND 0R 0402 DNP R124 Figure 5 4 3 3V Regulator for PKOB4 PG_SYSTEM PG_SYSTEM 4 7uF 16V 0603 C115 200K R126 GND GND 147k 0603 1 R128 GND 0 1uF 16V 0402 C114 0 1uF 16V 0402 C116 VIN 1 VIN 2...

Page 19: ...MCPD_P VBUS_DETECT USB_D USB_D VBUS GND 22R 0402 R229 22R 0402 R230 3V3_PKOB NMCLR 0R 0402 DNP R231 0 1uF 16V 0201 C216 3V3_PKOB 100k 0402 5 R233 100k 0402 5 DNP R232 GND 0R 0402 R234 VBUS_WFI32E 0R 0...

Page 20: ...R Figure 5 9 UART 3V3_PKOB 3V3_IN 0 1uF 16V 0201 C227 GND 0 1uF 16V 0201 C230 3V3_PKOB GND 3V3_IN 22R 0402 1 R225 22R 0402 1 R226 ETXD1 CVDT12 RPC14 ETXEN CVDT11 RPC13 0 1uF 16V 0201 C228 0 1uF 16V 02...

Page 21: ...D2 DSR0 SPI1_NPCS3 PWMC1_L1 GTX0 PD2 E3 RI0 UTXD4 PWMC1_H1 GTX1 PD3 B5 A5 DTR2 TRACED1 PWMC1_H2 GRX0 PD5 D5 DSR2 TRACED2 PWMC1_L3 GRX1 PD6 B6 RI2 TRACED3 PWMC1_H3 GRXER PD7 A6 TRACECLK PWMC0_FI1 GMDC...

Page 22: ...768KHZ Y400 SOSCO PK15 SOSCI PB15 Figure 5 14 Buttons GND 3V3_IN 10000pF 16V 0402 C408 GND 3V3_IN 10000pF 16V 0402 C409 INT0 AN17 CVD17 CVDR17 RPA10 PGC4 TCK AN8 CVD8 CVDR8 RPB8 1 2 4 3 5 SW400 1 2 4...

Page 23: ...e Sensor 3V3_IN 3V3_IN I2C address 0x18 SCL1 RPA4 SDA1 RPA5 100k 1 R419 SDA 1 SCL 2 Alert 3 GND 4 A2 5 A1 6 A0 7 VDD 8 EP 9 MCP9808 U402 0 1uF 16V 0402 C420 GND GND TDO AN7 CVD7 CVDR7 CVDT0 RPB7 Figur...

Page 24: ...DD 8 SST26VF032B U403 GND Figure 5 20 MikroBUS Header ETXD0 CVDT13 RPC15 RST 2 CS 3 SCK 4 MISO 5 MOSI 6 3 3V 7 GND 8 PWM 16 INT 15 RX 14 TX 13 SCL 12 SDA 11 5V 10 GND 9 AN 1 mikroBUS J402 5V0 GND SCK2...

Page 25: ...5 0402 R425 470R 5 0402 R426 470R 5 0402 R427 4 99k 1 0402 R428 ERR DATA CONN WIFI ERXERR CVDT7 RPC9 EMDIO CVDT15 RPK13 ERXDV CVDT14 RPK12 EMDC CVDT16 RPK14 EV36W50A Appendix A Reference Circuit 2022...

Page 26: ...402C104K4RACAUTO C200 C301 C312 C314 C421 C422 Capacitor ceramic 4 7 uF 10V 10 X5R SMD 0402 TDK Corporation C1005X5R1A475K050BC C206 C216 C217 C220 C221 C224 C225 C226 C227 C228 C229 C230 C302 C303 C3...

Page 27: ...ullins Connector Solutions PPTC081LFBN RC LABEL100 Label PCBA 18x6 mm Data matrix Assy Rev Serial Date ACT Logimark AS 505462 Q200 Transistor FET P Channel IRLML6402 20V 3 7A 1 3W SOT 23 3 Internation...

Page 28: ...SMD 0603 Panasonic ERJ 3EKF1473V R123 R126 Resistor TKF 200k 1 1 10W SMD 0402 Panasonic ERJ 2RKF2003X R125 R129 Resistor TKF 20k 1 1 10W SMD 0603 Panasonic ERJ 3EKF2002V R131 Resistor TF 2 2R 1 1 2W...

Page 29: ...12 5 pF SMD 2 SMD No Lead Epson FC 12M32 7680KA A5 Q100 Q201 Q202 Microchip Analog Mosfet N Channel TN2106 60V 280 mA 360 mW 2 5R SOT23 3 Microchip Technology Inc TN2106K1 G U100 Microchip Analog pow...

Page 30: ...ingle 12 000 MHz DSC6011JI1B 012 0000 VLGA Microchip Technology Inc DSC6011JI1B 012 0000 CBL100 Mechanical hardware cable USB Male A to Male Micro B Clear 4 Dongguan Zhanxin Electronic Technology Co L...

Page 31: ...conjunction with any other antenna or transmitter This transmitter is restricted for use with the specific antenna s tested in this application for certification CAUTION Any changes or modifications n...

Page 32: ...lled and operated with a minimum distance of 20 cm between the device and the user or bystanders Cet quipement est conforme aux limites d exposition aux radiofr quences d finies par d Innovation Scien...

Page 33: ...ent Revision History Revision Date Section Description A 02 2022 Document Initial Revision EV36W50A Document Revision History 2022 Microchip Technology Inc and its subsidiaries User Guide DS50003262A...

Page 34: ...s 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...

Page 35: ...s AgileSwitch APT ClockWorks The Embedded Control Solutions Company EtherSynch Flashtec Hyper Speed Control HyperLight Load IntelliMOS Libero motorBench mTouch Powermite 3 Precision Edge ProASIC ProAS...

Page 36: ...nagement System For information regarding Microchip s Quality Management Systems please visit www microchip com quality EV36W50A 2022 Microchip Technology Inc and its subsidiaries User Guide DS5000326...

Page 37: ...men Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160 Japan Tokyo...

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