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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.

GPIO-Number-cht.png