ROCK 5A GPIO

GPIO Voltage

x1.1

GPIO	Voltage	Max Voltage
All GPIO	3.3V	3.63V
SARADC_IN5	1.8V	1.8V

x1.2/v1.1

GPIO	Voltage	Max Voltage
All GPIO	3.3V	3.63V
SARADC_VIN2	1.8V	1.8V

GPIO Interface

ROCK 5A provides a 40pin GPIO socket, which is compatible with most sensor applications on the market.

x1.1

Tips: The actual compatibility is subject to usage.

GPIO number	Function6	Function5	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	Function5	Function6	Function7	GPIO number
						+3.3V	1	2	+5.0V
32			UART6_RX	SPI4_MISO	I2C2_SDA	GPIO1_A0	3	4	+5.0V
33			UART6_TX	SPI4_MOSI	I2C2_SCL	GPIO1_A1	5	6	GND
43			PDM1_CLK1	UART4_TX	SPI0_CLK	GPIO1_B3	7	8	GPIO0_B5	UART2_TX_M0	I2C1_SCL	I2S1_MCLK				13
						GND	9	10	GPIO0_B6	UART2_RX_M0	I2C1_SDA	I2S1_SCLK				14
34		PWM0	UART6_RTS	SPI4_CLK	I2C4_SDA	GPIO1_A2	11	12	GPIO4_A1	SPI0_MOSI	UART9_CTS	I2S1_SCLK				129
35		PWM1	UART6_CTS	SPI4_CS0	I2C4_SCL	GPIO1_A3	13	14	GND
140		I2S1_SDO3	SPDIF0_TX	PWM11	UART9_TX	GPIO4_B4	15	16	GPIO1_D6	I2C8_SCL	UART1_RTS	PWM14				62
						+3.3V	17	18	GPIO1_D7	I2C8_SDA	UART1_CTS	PWM15				63
37					SPI2_MOSI	GPIO1_A5	19	20	GND
36					SPI2_MISO	GPIO1_A4	21	22	GPIO1_B5	SPI0_CS1	UART7_TX					45
38					SPI2_CLK	GPIO1_A6	23	24	GPIO1_A7	SPI2_CS0	PDM1_SDI0	PWM3				39
						GND	25	26	SARADC_VIN5
139	CAN1_TX	I2S1_SDO2	PWM15	UART8_CTS	I2C7_SDA	GPIO4_B3	27	28	GPIO4_B2	I2C7_SCL	SPI0_CS0	UART8_RTS	PWM14	I2S1_SDO1	CAN1_RX	138
42			PDM1_SDI3	UART4_RX	SPI0_MOSI	GPIO1_B2	29	30	GND
41				PDM1_SDI2	SPI0_MISO	GPIO1_B1	31	32	GPIO4_B0	I2C6_SDA	UART8_TX	I2S1_SDI3				136
44				PDM1_CLK0	UART7_RX	GPIO1_B4	33	34	GND
128			I2S1_MCLK	UART9_RTS	SPI0_MISO	GPIO4_A0	35	36	GPIO4_A2	SPI0_CLK	I2S1_LRCK					130
40				PDM1_SDI1	SPI2_CS1	GPIO1_B0	37	38	GPIO4_A5	I2C3_SDA	UART3_TX	I2S1_SDI0				133
						GND	39	40	GPIO4_B1	I2C6_SCL	SPI0_CS1	UART8_RX	SPDIF1_TX	I2S1_SDO0		137

x1.2/v1.1

GPIO number	Function7	Function6	Function5	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	Function5	Function6	Function7	GPIO number
							+3.3V	1	2	+5.0V
63				PWM15_IR_M3	I2C8_SDA_M2	UART1_CTSN_M1	GPIO1_D7	3	4	+5.0V
62				PWM14_M2	I2C8_SCL_M2	UART1_RTSN_M1	GPIO1_D6	5	6	GND
43						UART4_TX_M2	GPIO1_B3	7	8	GPIO0_B5	UART2_TX_M0	I2C1_SCL_M0			I2S1_MCLK_M1		13
							GND	9	10	GPIO0_B6	UART2_RX_M0	I2C1_SDA_M0			I2S1_SCLK_M1		14
139		I2S1_SDO2_M0	CAN1_TX_M1	PWM15_IR_M1	I2C7_SDA_M3	UART8_CTSN_M0	GPIO4_B3	11	12	GPIO4_A1	UART9_CTSN_M1				I2S1_SCLK_M0	SPI0_MOSI_M1	129
138	SPI0_CS0_M1	I2S1_SDO1_M0	CAN1_RX_M1	PWM14_M1	I2C7_SCL_M3	UART8_RTSN_M0	GPIO4_B2	13	14	GND
140		I2S1_SDO3_M0	SPDIF0_TX_M1	PWM11_IR_M1		UART9_TX_M1	GPIO4_B4	15	16	GPIO1_A5						SPI2_MOSI_M0	37
							+3.3V	17	18	GPIO1_B0						SPI2_CS1_M0	40
33	SPI4_MOSI_M2				I2C2_SCL_M4	UART6_TX_M1	GPIO1_A1	19	20	GND
32	SPI4_MISO_M2				I2C2_SDA_M4	UART6_RX_M1	GPIO1_A0	21	22	GPIO1_B5	UART7_TX_M2					SPI0_CS1_M2	45
34	SPI4_CLK_M2			PWM0_M2	I2C4_SDA_M3	UART6_RTSN_M1	GPIO1_A2	23	24	GPIO1_A3	UART6_CTSN_M1	I2C4_SCL_M3	PWM1_M2			SPI4_CS0_M2	35
							GND	25	26	GPIO1_A4						SPI2_MISO_M0	36
23	SPI0_MISO_M0	I2S1_SDI2_M1		PWM6_M0	I2C6_SDA_M0	UART1_RTSN_M2	GPIO0_C7	27	28	GPIO0_D0	UART1_CTSN_M2	I2C6_SCL_M0	PWM7_IR_M0		I2S1_SDI3_M1	SPI3_MISO_M2	24
42	SPI0_MOSI_M2					UART4_RX_M2	GPIO1_B2	29	30	GND
41	SPI0_MISO_M2						GPIO1_B1	31	32	GPIO4_B0	UART8_TX_M0	I2C6_SDA_M3			I2S1_SDI3_M0	SPI2_CS1_M1	136
44	SPI0_CS0_M2					UART7_RX_M2	GPIO1_B4	33	34	GND
128	SPI0_MISO_M1	I2S1_MCLK_M0				UART9_RTSN_M1	GPIO4_A0	35	36	GPIO4_A2					I2S1_LRCK_M0	SPI0_CLK_M1	130
							SARADC_VIN2	37	38	GPIO4_A5	UART3_TX_M2	I2C3_SDA_M2			I2S1_SDI0_M0		133
							GND	39	40	GPIO4_B1	UART8_RX_M0	I2C6_SCL_M3		SPDIF1_TX_M1	I2S1_SDO0_M0	SPI0_CS1_M1	137