1. Interface definition
1.1. Machine interface definition
ROC-RK3506J-CC V1.0 The interfaces used mainly include:
- 1 x Recovery key
- 1 x Boot key
- 1 x Reset key
- 2 x LED
- 1 x RTC Battery Holder
- 1 x DEBUG serial port (UART0)
- 1 x USB2.0 OTG(Type-C)
- 1 x MIPI-DSI
- 1 x TF Card(Reused with EMMC interface, not attached by default)
- 1 x USB2.0
- 1 x WIFI(Only supports 2.4G band, not 5G band)
- 2 x RJ45(Supports 100Mbps)
- 1 × 3.5mm headphone jack
The details are as follows:

