4 Board Topology
4.1 Front View
Top View of Arduino UNO R4 Minima
Ref. Description Ref. Description
U1 R7FA4M1AB3CFM#AA0 Microcontroller IC J4 DC Jack
U2 ISL854102FRZ-T Buck Converter DL1 LED TX (serial transmit)
PB1 RESET Button DL2 LED RX (serial receive)
JANALOG Analog input/output headers DL3 LED Power
JDIGITAL Digital input/output headers DL4 LED SCK (serial clock)
J1 ICSP header (SPI) D2 PMEG6020AELRX Schottky Diode
J2 SWD/JTAG Connector D3 PMEG6020AELRX Schottky Diode
J3 CX90B-16P USB-C® connector D4 PRTR5V0U2X,215 ESD Protection
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