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Hardware Overview

Chip Block Diagram

radxa-e52c pack

System Block Diagrams

radxa-e52c pack

Hardware Overview

radxa-e52c pack

Here are the pinouts for each hardware interface:

microSD Card Slot

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

USB 3.0 OTG/HOST Type-A

PINName
1VCC5V0_USB_OTG0
2TYPEC0_OTG_DM
3TYPEC0_OTG_DP
4GND
5TYPEC0_SSRX1N
6TYPEC0_SSRX1P
7GND
8TYPEC0_SSTX1N
9TYPEC0_SSTX1P

USB Type-C for Debug and Date

PINName
1UART_RX
2UART_TX

Gigabit Ethernet