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Arduino UNO R4 WiFi User Manual

Arduino UNO R4 WiFi
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Arduino® UNO R4 WiFi
19 / 23 Arduino® UNO R4 WiFi Modified: 26/06/2023
12.3 OFF
Pin Function Type Description
1 OFF Power For controlling power supply
2 GND Power Ground
1 VRTC Power Battery connection to power RTC only
12.4 ICSP
Pin Function Type Description
1 CIPO Internal Controller In Peripheral Out
2 +5V Internal Power Supply of 5 V
3 SCK Internal Serial Clock
4 COPI Internal Controller Out Peripheral In
5 RESET Internal Reset
6 GND Internal Ground
13 Mounting Holes And Board Outline
Top side Mechanical View of Arduino UNO R4 WiFi

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Arduino UNO R4 WiFi Specifications

General IconGeneral
Operating Voltage5V
Input Voltage6-24V
Digital I/O Pins14
PWM Pins6
Analog Input Pins6
Flash Memory256 KB
SRAM32 KB
EEPROM8 KB
Clock Speed48 MHz
Wi-FiYes
BluetoothYes
USB ConnectorUSB-C
Dimensions68.6 mm x 53.4 mm
DC Current per I/O Pin8 mA
UARTYes
SPIYes
I2CYes
CANNo
MicrocontrollerRA4M1 (Arm Cortex-M4)

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