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Arduino UNO R4 Minima User Manual

Arduino UNO R4 Minima
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Arduino® UNO R4 Minima
7 / 17 Arduino® UNO R4 Minima Modified: 19/06/2023
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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Arduino UNO R4 Minima Specifications

General IconGeneral
Operating Voltage5V
Input Voltage6-24V
Input Voltage (recommended)7-12V
Digital I/O Pins14
PWM Pins6
Analog Input Pins6
Flash Memory256 KB
SRAM32 KB
Clock Speed48 MHz
DC Current per I/O Pin8 mA
DAC1
UART1
SPI1
I2C1
USBUSB-C
Dimensions68.6 mm x 53.4 mm
MicrocontrollerRA4M1 (Arm Cortex-M4)

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