Hardware Interface Description

Chip block diagram

Physical photographs

ROCK 5B

ROCK 5B+

Interface details

eMMC

Name	Pin#	Pin#	Name
GND	1	34	GND
EMMC_D5	2	33	eMMC_D6
GND	3	32	GND
EMMC_D4	4	31	eMMC_D7
GND	5	30	GND
EMMC_D0	6	29	eMMC_D1
GND	7	28	GND
EMMC_CLK	8	27	eMMC_D2
GND	9	26	GND
EMMC_D3	10	25	eMMC_CMD
GND	11	24	GND
EMMC_RSTN	12	23	VCC_3V3_S3
GND	13	22	VCC_3V3_S3
GND	14	21	VCC_1V8_S3
eMMC_DATA_STROBE	15	20	VCC_1V8_S3
GND	16	19	GND
GND	17	18	GND
			GND
GND	35		GND
GND	36		GND
GND	37		GND
GND	38		GND
GND	39		GND
GND	40		GND
GND	41		GND
GND	42		GND
GND	43		GND
GND	44		GND
GND	45		GND
GND	46		GND
GND	47		GND
GND	48		GND
GND	49		GND

FAN Header

GPIO

• GPIO Voltage

GPIO	Voltage	MAX
All GPIO	3.3V	3.63V
SARADC_IN4	3.3V	1.8V

• GPIO Pinout

ROCK 5B

GPIO number	Function8	Function7	Function6	Function5	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	Function5	Function6	Function7	Function8	GPIO number
								+3.3V	1	2	+5.0V
139			I2S1_SDO2_M0	I2C7_SDA_M3	UART8_CTSN_M0	PWM15_IR_M1	CAN1_TX_M1	GPIO4_B3	3	4	+5.0V
138			I2S1_SDO1_M0	I2C7_SCL_M3	UART8_RTSN_M0	PWM14_M1	CAN1_RX_M1	GPIO4_B2	5	6	GND
115		SPI1_CS1_M1		I2C8_SDA_M4	UART7_CTSN_M1	PWM15_IR_M0		GPIO3_C3	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
113		SPI1_CLK_M1			UART7_RX_M1			GPIO3_C1	11	12	GPIO3_B5	CAN1_RX_M0	PWM12_M0	UART3_TX_M1		I2S2_SCLK_M1			109
111		SPI1_MOSI_M1		I2C3_SCL_M1				GPIO3_B7	13	14	GND
112		SPI1_MISO_M1		I2C3_SDA_M1	UART7_TX_M1			GPIO3_C0	15	16	GPIO3_A4								100
								+3.3V	17	18	GPIO4_C4		PWM5_M2				SPI3_MISO_M0		148
42		SPI0_MOSI_M2			UART4_RX_M2			GPIO1_B2	19	20	GND
41		SPI0_MISO_M2						GPIO1_B1	21	22	SARADC_IN4
43		SPI0_CLK_M2			UART4_TX_M2			GPIO1_B3	23	24	GPIO1_B4			UART7_RX_M2			SPI0_CS0_M2		44
								GND	25	26	GPIO1_B5			UART7_TX_M2			SPI0_CS1_M2		45
150		SPI3_CLK_M0		I2C0_SDA_M1		PWM7_IR_M3		GPIO4_C6	27	28	GPIO4_C5		PWM6_M2		I2C0_SCL_M1		SPI3_MOSI_M0		149
63					UART1_CTSN_M1	PWM15_IR_M3		GPIO1_D7	29	30	GND
47	SPDIF_TX_M0				UART1_RX_M1	PWM13_M2		GPIO1_B7	31	32	GPIO3_C2		PWM14_M0	UART7_RTSN_M1	I2C8_SCL_M4		SPI1_CS0_M1		114
103						PWM8_M0		GPIO3_A7	33	34	GND
110			I2S2_LRCK_M1		UART3_RX_M1	PWM13_M0	CAN1_TX_M0	GPIO3_B6	35	36	GPIO3_B1		PWM2_M1	UART2_TX_M2					105
								GPIO0_A0	37	38	GPIO3_B2		PWM3_IR_M1	UART2_RX_M2		I2S2_SDI_M1			106
								GND	39	40	GPIO3_B3			UART2_RTSN		I2S2_SDO_M1			107

ROCK 5B+

GPIO number	Function8	Function7	Function6	Function5	Function4	Function3	Function2	Function1	Pin#	Pin#	Function1	Function2	Function3	Function4	Function5	Function6	Function7	Function8	GPIO number
								+3.3V	1	2	+5.0V
139			I2S1_SDO2_M0	I2C7_SDA_M3	UART8_CTSN_M0	PWM15_IR_M1	CAN1_TX_M1	GPIO4_B3	3	4	+5.0V
138			I2S1_SDO1_M0	I2C7_SCL_M3	UART8_RTSN_M0	PWM14_M1	CAN1_RX_M1	GPIO4_B2	5	6	GND
115		SPI1_CS1_M1		I2C8_SDA_M4	UART7_CTSN_M1	PWM15_IR_M0		GPIO3_C3	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
113		SPI1_CLK_M1			UART7_RX_M1			GPIO3_C1	11	12	GPIO3_B5	CAN1_RX_M0	PWM12_M0	UART3_TX_M1		I2S2_SCLK_M1			109
111		SPI1_MOSI_M1		I2C3_SCL_M1				GPIO3_B7	13	14	GND
112		SPI1_MISO_M1		I2C3_SDA_M1	UART7_TX_M1			GPIO3_C0	15	16	GPIO3_A4								100
								+3.3V	17	18	GPIO4_C4		PWM5_M2				SPI3_MISO_M0		148
42		SPI0_MOSI_M2			UART4_RX_M2			GPIO1_B2	19	20	GND
41		SPI0_MISO_M2						GPIO1_B1	21	22	SARADC_IN4
43		SPI0_CLK_M2			UART4_TX_M2			GPIO1_B3	23	24	GPIO1_B4			UART7_RX_M2			SPI0_CS0_M2		44
								GND	25	26	GPIO1_B5			UART7_TX_M2			SPI0_CS1_M2		45
150		SPI3_CLK_M0		I2C0_SDA_M1		PWM7_IR_M3		GPIO4_C6	27	28	GPIO4_C5		PWM6_M2		I2C0_SCL_M1		SPI3_MOSI_M0		149
35				I2C4_SCL_M3		PWM1_M2		GPIO1_A3	29	30	GND
34				I2C4_SDA_M3		PWM0_M2		GPIO1_A2	31	32	GPIO3_C2		PWM14_M0	UART7_RTSN_M1	I2C8_SCL_M4		SPI1_CS0_M1		114
103						PWM8_M0		GPIO3_A7	33	34	GND
110			I2S2_LRCK_M1		UART3_RX_M1	PWM13_M0	CAN1_TX_M0	GPIO3_B6	35	36	GPIO3_B1		PWM2_M1	UART2_TX_M2					105
								GPIO0_A0	37	38	GPIO3_B2		PWM3_IR_M1	UART2_RX_M2		I2S2_SDI_M1			106
								GND	39	40	GPIO3_B3			UART2_RTSN		I2S2_SDO_M1			107

Gigabit Ethernet

Maskrom Button

MIPI CSI

ROCK 5B

Pin#	Name	Pin#	Name
1	GND	17	MIPI_CSI0_RX_CLK0N
2	MIPI_CSI0_RX_D3N	18	MIPI_CSI0_RX_CLK0P
3	MIPI_CSI0_RX_D3P	19	GND
4	GND	20	MIPI_CAM3_CLKOUT
5	MIPI_CSI0_RX_D2N	21	GND
6	MIPI_CSI0_RX_D2P	22	MIPI_CAM1_CLKOUT
7	GND	23	MIPI_CSI0_PDN0_H
8	MIPI_CSI0_RX_CLK1N	24	I2C3_SCL_M0_MIPI
9	MIPI_CSI0_RX_CLK1P	25	I2C3_SDA_M0_MIPI
10	GND	26	MIPI_CSI0_PDN1_H
11	MIPI_CSI0_RX_D1N	27	CM_RST_L
12	MIPI_CSI0_RX_D1P	28	VCC_3V3_S3
13	GND	29	VCC_3V3_S3
14	MIPI_CSI0_RX_D0N	30	VCC5V0_SYS
15	MIPI_CSI0_RX_D0P	31	VCC5V0_SYS
16	GND

ROCK 5B+

CAM0

Pin#	Name	Pin#	Name
1	GND	17	MIPI_CSI0_RX_CLK0N
2	MIPI_CSI0_RX_D3N	18	MIPI_CSI0_RX_CLK0P
3	MIPI_CSI0_RX_D3P	19	GND
4	GND	20	MIPI_CAM3_CLKOUT
5	MIPI_CSI0_RX_D2N	21	GND
6	MIPI_CSI0_RX_D2P	22	MIPI_CAM1_CLKOUT
7	GND	23	MIPI_CSI0_PDN0_H
8	MIPI_CSI0_RX_CLK1N	24	I2C3_SCL_M0_MIPI
9	MIPI_CSI0_RX_CLK1P	25	I2C3_SDA_M0_MIPI
10	GND	26	MIPI_CSI0_PDN1_H
11	MIPI_CSI0_RX_D1N	27	CM_RST_L_1
12	MIPI_CSI0_RX_D1P	28	VCC_3V3_S3
13	GND	29	VCC_3V3_S3
14	MIPI_CSI0_RX_D0N	30	VCC_5V
15	MIPI_CSI0_RX_D0P	31	VCC_5V
16	GND

CAM1

Pin#	Name	Pin#	Name
1	GND	17	MIPI_CSI1_RX_CLK0N
2	MIPI_CSI1_RX_D3N	18	MIPI_CSI1_RX_CLK0P
3	MIPI_CSI1_RX_D3P	19	GND
4	GND	20	MIPI_CAM4_CLKOUT
5	MIPI_CSI1_RX_D2N	21	GND
6	MIPI_CSI1_RX_D2P	22	MIPI_CAM2_CLKOUT
7	GND	23	MIPI_CSI1_PDN2_H
8	MIPI_CSI1_RX_CLK1N	24	I2C4_SCL
9	MIPI_CSI1_RX_CLK1P	25	I2C4_SDA
10	GND	26	MIPI_CSI1_PDN4_H
11	MIPI_CSI1_RX_D1N	27	CAM2_RST_L
12	MIPI_CSI1_RX_D1P	28	VCC_3V3_S3
13	GND	29	VCC_3V3_S3
14	MIPI_CSI1_RX_D0N	30	VCC_5V
15	MIPI_CSI1_RX_D0P	31	VCC_5V
16	GND

MIPI DSI

ROCK 5B/5B+

Pin#	Name	Pin#	Name
1	LCD_3V3	21	GND
2	VCC_1V8_S0	22	GND
3	GPIO0-A0	23	TP_RST_L
4	LCD_RESET	24	LCD_3V3
5	NC	25	TP_INT_L
6	GND	26	I2C6_SDA_M0
7	MIPI_DPHY1_TX_D0N	27	I2C6_SCL_M0
8	MIPI_DPHY1_TX_D0P	28	GND
9	GND	29	GND
10	MIPI_DPHY1_TX_D1N	30	LCD_3V3
11	MIPI_DPHY1_TX_D1P	31	LCD_3V3
12	GND	32	GND
13	MIPI_DPHY1_TX_CLKN	33	GND
14	MIPI_DPHY1_TX_CLKP	34	VCC_LEDK
15	GND	35	VCC_LEDK
16	MIPI_DPHY1_TX_D2N	36	NC
17	MIPI_DPHY1_TX_D2P	37	NC
18	GND	38	VCC_LEDA
19	MIPI_DPHY1_TX_D3N	39	VCC_LEDA
20	MIPI_DPHY1_TX_D3P	40	GND

PCIe

• PCIe E Key

Pin#	Name	Pin#	Name	Pin#	Name	Pin#	Name
1	GND	21	WIFI_WAKE_HOST_H_GPIO3_D5	49	PCIE20_REFCLKN	69	GND
2	VCC3V3_WF	22	UART1_RX_M0	50	WIFIBT_32KIN_1T1R	70	BT_WAKE
3	USB2_M2_DP	23	WIFI_REG_ON	51	GND	71	NC
4	VCC3V3_WF	32	UART1_TX_M0	52	PCIE_PERSTN	72	VCC3V3_WF
5	USB2_M2_DM	33	GND	53	PCIE_CLKREQN	73	NC
6	WIFI_LED	34	UART1_CTS_M	54	HOST_WAKE_BT_H	74	VCC3V3_WF
7	GND	35	PCIE_TXP	55	PCIE_WAKEN	75	GND
8	PCM_CLK/I2S_SCK	36	UART1_RTS_M	56	BT_REG_ON_H	76	GND
9	SDIO_CLK	37	PCIE_TXN	57	GND	77	GND
10	PCM_SYNC/I2S_WS	38	NC	58	I2C4_SDA_M1	78	NC
11	SDMMC2_CMD_M0	39	GND	59	NC	79	NC
12	PCM_OUT/I2S SD_OUT	40	NC	60	I2C4_SCL_M1
13	SDMMC2_D0_M0	41	PCIE20_RXP	61	NC
14	PCM_IN/I2S SD_IN	42	BT_REG_NO	62	NC
15	SDMMC2_D1_M0	43	PCIE20_RXN	63	GND
16	NC	44	NC	64	NC
17	SDMMC2_D2_M0	45	GND	65	NC
18	GND	46	NC	66	NC
19	SDMMC2_D3_M0	47	PCIE20_REFC	67	NC
20	BT_WAKE_HOST_H_GPIO4_B4	48	NC	68	NC

POE

TF Card Slot

Pin#	Name
1	SDMMC0_D2
2	SDMMC0_D3
3	SDMMC0_CMD
4	VCC3V3_SYS
5	SDMMC0_CLK
6	GND
7	SDMMC0_D0
8	SDMMC0_D1
9	SDMMC0_DET_L
10	GND
11	GND
12	GND
13	GND