Hardware; Power Supply - Microchip Technology WFI32-IoT User Manual

3.

Hardware

This chapter describes the hardware features of the WFI32-IoT board.
Figure 3-1. WFI32-IoT Board Block Diagram
WFI32-IoT Board
Li-PO Battery
Connector
5V
Micro
USB
Type B
Microchip Devices
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 WFI32-IoT boards. For
more details, go to
3.1

Power Supply

The following are the power supply sources to power the WFI32-IoT board; see the following figure:
• PKOB4 Micro-B USB (Debug USB) (J200)
• Battery Header (J101)
©
2022 Microchip Technology Inc.
and its subsidiaries
4.2V
Battery
Management
(MCP73871)
Power Switch
(MIC2042)
(1)
LDO
(MCP1727)
MEMS Oscillator
3.3V
(DSC6011HI1B-024)
(1)
PKOB4 Controller
(ATSAME70N21B-CNT)
USB Hub
USB-UART Converter
(USB2514B-IM2)
(1)
(MCP2200)
support.microchip.com
LDO
(MCP1727)
(1)
(1)
(1)
MEMS Oscillator
(DSC6011JI1B-012)
(1)
Wi-Fi Module
(WFI32E01PCI)
ICSP
PGEC/PGED
(1)
UART3 UART
UART1
UART
(1)
USB D+, D-
USB
or contact your local Microchip Sales office.
User Guide
EV36W50A
32.768 kHz
SOSC
Ambient Light
I2C
Digital Temperature
I2C
(MCP9808)
UART2/
SPI2
GPIO/I2C/UART/SPI mikroBUS
(1)
External SPI Flash
SPI1
SPI
(SST26VF032B)
GPIO
Configurable LEDs
Reset Button
MCLR
Two User Buttons
GPIO
DS50003262A-page 8
Hardware
Crystal
Sensor
Sensor
(1)
Socket
TM
(1)
Four User