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Orange Pi User Manual
Shenzhen Xunlong Software Co., Ltd.
www.orangepi.org
5
www.xunlong.tv
5.
GPIO Specifications
The following is GPIO Pin of Orange Pi RK3399:
PIN1 3V3-1
Power 3.3V
PIN2 5V-1
Power 5V
PIN3 SDA
GPIO1_B3 I2C4_SDA
Default used as I2C
PIN4 5V-2
Power 5V
PIN5 SCL
GPIO1_B4 I2C4_SCL
Default used as I2C
PIN6 GND4
Ground
PIN7 GPIO4 GPIO2_A0 I2C2_SDA