RockpiS/hardware/rockpiS

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    ROCK Pi S >  Hardware >  Main Board

Processor

ROCK Pi S has two 26-pin expansion header. Each pin is distinguished by color.

GPIO number	Func4	Func3	Func2	Func1	Pin#	Pin#	Func1	Func2	Func3	Func4	GPIO number
			+3.3V		1	2	+5.0V
12			I2C1_SCL	GPIO0_B4	3	4	+5.0V
11			I2C1_SDA	GPIO0_B3	5	6	GND
69			I2S0_SCLK_TX	GPIO2_A5	7	8	GPIO4_D3	SDMMC_D3	UART2_TX_M1	PMU_ST3	155
64		SPI0_MISO	UART0_RX	GPIO2_A0	9	10	GPIO4_D2	SDMMC_D2	UART2_RX_M1	PMU_ST2	154
65		SPI0_MOSI	UART0_TX	GPIO2_A1	11	12	GPIO0_C0	PWM3	I2C3_SCL_M0		16
66	I2C2_SDA	SPI0_CLK	UART0_CTSN	GPIO2_A2	13	14	GND
67	I2C2_SCL	SPI0_CSN0	UART0_RTSN	GPIO2_A3	15	16	GPIO2_A7	I2S0_8CH_LRCK_TX			71
				+3.3V	17	18	GPIO2_B1	I2S0_8CH_SDO0			73
55	SPI2_MOSI	UART2_TX_M0	UART1_RTSN	GPIO1_C7	19	20	GND
54	SPI2_MISO	UART2_RX_M0	UART1_CTSN	GPIO1_C6	21	22	GPIO0_B6	PWM1			14
56	SPI2_CLK	I2C0_SDA	UART1_RX	GPIO1_D0	23	24	GPIO1_D1	UART1_TX	I2C0_SCL	SPI2_CSN0	57
				GND	25	26	GPIO0_B7	PWM2	I2C3_SDA_M0		15

Warning

Pin#8 and Pin#10 cannot be used as GPIO, UART function pins since they are the data pins of SDMMC.

GPIO number	Func4	Func3	Func2	Func1	Pin#	Pin#	Func1	Func2	Func3	Func4	GPIO number
			+3.3V		1	2	+5.0V
11			I2C1_SDA	GPIO0_B3	3	4	+5.0V
12			I2C1_SCL	GPIO0_B4	5	6	GND
69			I2S0_SCLK_TX	GPIO2_A5	7	8	GPIO2_A1	UART0_TX	SPI0_MOSI		65
				GND	9	10	GPIO2_A0	UART0_RX	SPI0_MISO		64
15		I2C3_SDA_M0	PWM2	GPIO0_B7	11	12	GPIO2_A2	UART0_CTSN	SPI0_CLK	I2C2_SDA	66
16		I2C3_SCL_M0	PWM3	GPIO0_C0	13	14	GND
17			SPDIF_TX	GPIO0_C1	15	16	GPIO2_A3	UART0_RTSN	SPI0_CSN0	I2C2_SCL	67
				+3.3V	17	18	GPIO2_B1	I2S0_8CH_SDO0			73
55	SPI2_MOSI	UART2_TX_M0	UART1_RTSN	GPIO1_C7	19	20	GND
54	SPI2_MISO	UART2_RX_M0	UART1_CTSN	GPIO1_C6	21	22	GPIO0_B6	PWM1			14
56	SPI2_CLK	I2C0_SDA	UART1_RX	GPIO1_D0	23	24	GPIO1_D1	UART1_TX	I2C0_SCL	SPI2_CSN0	57
				GND	25	26	ADC_IN0