RockpiX/hardware/gpio
ROCK Pi X > Hardware > gpio
General purpose input-output (GPIO) connector
ROCK Pi X has a 40-pin expansion header. Each pin is distinguished by color.
| GPIO number | Function3 | Function2 | Function1 | GPIO | Pin# | Pin# | GPIO | Function1 | Function2 | Function3 | GPIO number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| +3.3V | 1 | 2 | +5.0V | |||||||||
| I2C2_SDA | 3 | 4 | +5.0V | |||||||||
| I2C2_SCL | 5 | 6 | GND | |||||||||
| 335 | I2S3_CLK | ISH_GPIO0 | 7 | 8 | UART2_TX | |||||||
| GND | 9 | 10 | UART2_RX | |||||||||
| SPI2_CLK | UART0_TX | 11 | 12 | GPIO_DFX3 | C0_BPM3_TX | |||||||
| SPI2_MISO | UART0_RX | 13 | 14 | GND | ||||||||
| SPI2_CS0 | 15 | 16 | GPIO_DFX4 | SPI2_MOSI | 346 | |||||||
| +3.3V | 17 | 18 | UART2_RTS | |||||||||
| ISH_I2C1_DATA | ISH_SPI_MOSI | I2S5_TX | 19 | 20 | GND | |||||||
| 334 | ISH_SPI_MISO | I2S5_FS | ISH_GPIO9 | 21 | 22 | UART2_CTS | ||||||
| ISH_I2C1_CLK | ISH_SPI_CLK | I2S5_RX | 23 | 24 | ISH_GPIO1 | I2S3_FS | 332 | |||||
| GND | 25 | 26 | ISH_GPIO4 | I2S4_CLK | 336 | |||||||
| I2C5_DATA | 27 | 28 | I2C5_CLK | |||||||||
| 338 | I2S3_TX | ISH_GPIO2 | 29 | 30 | GND | |||||||
| 329 | I2S3_RX | ISH_GPIO3 | 31 | 32 | PWM0 | |||||||
| 229 | PWM1 | ISH_UART_TX | ISH_GPIO10 | 33 | 34 | GND | ||||||
| I2S1_FRM | 35 | 36 | I2S1_CLK | |||||||||
| GPIO_DFX2 | C0_BPM2_TX | ISH_GPIO13 | 37 | 38 | I2S1_RX | |||||||
| GND | 39 | 40 | I2S1_TX |
GPIO number
GPIO is divided into multiple groups, different groups correspond to different bases, xx in GPIO Name Represents the number in the GPIO group, which corresponds to the offset one to one. For example, the GPIO N25 is 341+25=366.
