Datasheet

Arduino® UNO R4 WiFi
19 / 23 Arduino® UNO R4 WiFi Modified: 22/06/2023
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