Board Topology; Front View - Arduino UNO R4 WiFi Product Reference Manual

4 Board Topology

4.1 Front View

Ref.
U1
U2
U3
U4
U5
U6
U_LEDMATRIX
M1
PB1
JANALOG
JDIGITAL
JOFF
J1
J2
J3
J5
J6
DL1
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Top View of Arduino UNO R4 WiFi
Description
R7FA4M1AB3CFM#AA0 Microcontroller IC
NLASB3157DFT2G Multiplexer
ISL854102FRZ-T Buck Converter
TXB0108DQSR logic level translator (5 V - 3.3 V)
SGM2205-3.3XKC3G/TR 3.3 V linear regulator
NLASB3157DFT2G Multiplexer
12x8 LED Red Matrix
ESP32-S3-MINI-1-N8
RESET Button
Analog input/output headers
Digital input/output headers
OFF, VRTC header
CX90B-16P USB-C® connector
SM04B-SRSS-TB(LF)(SN) I2C connector
ICSP header (SPI)
DC Jack
ESP header
LED TX (serial transmit)
Arduino® UNO R4 WiFi
Arduino® UNO R4 WiFi
Modified: 26/06/2023