hardware-interface

Hardware interface description

Interface overview

• ROCK S0

Power Supply Interface

The power supply interface of Radxa ROCK S0 is 4 Pin USB 2.0 OTG port, which supports 5V input only.

Debug Serial Port

Debug Serial Port for debugging commands

OTG Interface

Connect to PC via OTG male cable for communication.

USB interface

Connect USB devices via USB female

Wired network port

Access to the network via Ethernet cable.

WI-FI

The AP6212 Wi-Fi/BT module is on board, which can access the network via Wi-Fi.

Bluetooth

The AP6212 Wi-Fi/BT module is onboard, which allows you to access devices such as Bluetooth stereo via BT.

MicroSD

Can be used as system boot media or storage media

40 PIN GPIO

GPIO Voltage

GPIO	Voltage	Max.
All GPIO	3.3V	3.63V

GPIO Interface

The ROCK S0 provides a 40 pin GPIO socket that is compatible with most SBC accessories on the market.

**Hint: Actual compatibility is subject to usage. **

GPIO Number	Function8	Function7	Function6	Function5	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	Function5	Function6	Function7	GPIO Number
								+3.3V	1	2	+5V
11							I2C1_SDA	GPIO0_B3	3	4	+5V
12							I2C1_SCL	GPIO0_B4	5	6	GND
77	PDM_8CH_SDI0_M2	I2S0_8CH_SDI0						GPIO2_B5	7	8	GPIO2_A1		SPI0_MOSI		UART0_TX			65
								GND	9	10	GPIO2_A0	I2C3_SDA_M2	SPI0_MISO		UART0_RX			64
78	PDM_8CH_SDI1_M2	I2S0_8CH_SDI1						GPIO2_B6	11	12	GPIO2_B1		SPI1_CSN0_M1			I2S0_8CH_SDO0		73
67				UART0_RTSN		SPI0_CSN0	I2C2_SCL	GPIO2_A3	13	14	GND
			SPDIF_TX	UART3_RX_M1	PWM5			GPIO0_C1	15	16	GPIO0_A1			PWM4				1
								+3.3V	17	18	GPIO2_B7					I2S0_8CH_SDI2	PDM_8CH_SDI2_M2	79
55			UART1_RTSN	UART2_TX_M0		SPI2_MOSI		GPIO1_C7	19	20
54		OWIRE_M1	UART1_CTSN	UART2_RX_M0		SPI2_MISO		GPIO1_C6	21	22	GPIO2_B3			PWM9		I2S0_8CH_SDO2		75
56				UART1_RX		SPI2_CLK	I2C0_SDA	GPIO1_D0	23	24	GPIO1_D1	I2C0_SCL	SPI2_CSN0		UART1_TX			57
								GND	25	26	GPIO2_B0			PWM7		I2S0_8CH_LRCK_RX		72
15					PWM2		I2C3_SDA_M0	GPIO0_B7	27	28	GPIO0_C0	I2C3_SCL_M0		PWM3				16
80	PDM_8CH_SDI3_M2	I2S0_8CH_SDI3			PWM11			GPIO2_C0	29	30
74		I2S0_8CH_SDO1			PWM8			GPIO2_B2	31	32	GPIO2_B4			PWM10		I2S0_8CH_SDO3		76
18			SPDIF_RX	UART3_TX_M1	PWM6			GPIO0_C2	33	34
68	PDM_8CH_CLK_M_M2	I2S0_8CH_MCLK				SPI1_MISO_M1		GPIO2_A4	35	36	GPIO2_A6					I2S0_8CH_SCLK_RX	PDM_8CH_CLK_S_M2	70
66			UART0_CTSN			SPI0_CLK	I2C2_SDA	GPIO2_A2	37	38	GPIO2_A5		SPI1_MOSI_M1			I2S0_8CH_SCLK_TX		69
								GND	39	40	GPIO2_A7		SPI1_CLK_M1			I2S0_8CH_LRCK_TX		71