Hardware Overview

Chip Block Diagram

System Block Diagram

Hardware Overview

Here are the pinouts for each hardware interface:

microSD Card Slot

PIN	Name
1	SDMMC_D2
2	SDMMC_D3
3	SDMMC_CMD
4	VCC_3V3
5	SDMMC_CLK
6	GND
7	SDMMC_D0
8	SDMMC_D1
9	SDMMC_DETN
10	GND
11	GND
12	GND
13	GND

USB 2.0 HOST Type-A

PIN	Name
1	VCC5V0_USB20
2	USB20_HOST1_DM
3	USB20_HOST1_DP
4	GND

USB Type-C

PIN	Name
1	DBG_USB_DP
2	DBG_USB_DN

Gigabit Ethernet Port

2x1000M

right

Pin	Name	Pin	Name
1	LAN1_DP0	2	LAN1_DN0
3	LAN1_DP1	4	LAN1_DN1
5	LAN1_DP2	6	LAN1_DN2
7	LAN1_DP3	8	LAN1_DN3
9	VCC	10	GND
11	P3V3_LAN1	12	LAN1_LED0
13	P3V3_LAN1	14	LAN1_LED0
15	X	16	X
17	GND	18	GND

left

Pin	Name	Pin	Name
1	PHY_MDI0+	2	PHY_MDI0-
3	PHY_MDI1+	4	PHY_MDI1-
5	PHY_MDI2+	6	PHY_MDI2-
7	PHY_MDI3+	8	PHY_MDI3-
9	VCC	10	GND
11	PHY_LED1	12	GND
13	VCC3V3_PHY	14	PHY_LED2
15	X	16	X
17	GND	18	GND