Interface Details
This page summarizes the hardware interfaces and keeps the interface images from the original hardware manual.
Power Switch and DC Jack
The mainboard uses a 12V DC power input. Use a suitable power adapter according to the hardware design requirements.
Debug UART
The default debug UART is UART2. The debug port can be used to view boot logs and enter the system console.
HDMI Interface
The mainboard provides HDMI input/output interfaces. The exact display path and supported modes depend on the firmware configuration.
Camera Interface

The mainboard provides FPC camera connectors for external MIPI CSI cameras. Check lane configuration and power sequence before connecting a camera.
Ethernet Interface

The mainboard provides wired Ethernet interfaces for network access.
Headphone Interface
The headphone jack can be used for audio output.
LINE IN Interface
The LINE IN connector is used for external audio input.
Speaker Interface
The speaker connector is used for external speaker output.
Microphone Interface
The microphone connector is used for recording input.
TF Card Slot
The TF card slot can be used for removable storage or related boot/update functions depending on firmware support.
Buttons
The independent buttons are used for power, reset, boot, recovery, and other board control functions.
Type-C Interface
The Type-C interface is mainly used for program download, ADB debugging, or USB OTG functions depending on the board design.
USB HOST2.0 Interface
USB HOST2.0 can be used to connect USB mouse, keyboard, flash disk, or other USB peripherals.
Power Button
The power button is used to power on, shut down, suspend, or wake the system depending on firmware behavior.
Reset Button
The reset button is used to reset the system.
BOOT Button
The BOOT button is used for firmware download or forcing the board into upgrade mode.
Recovery Button
The Recovery button is used to enter recovery or loader-related modes.
LCD Interface
The LCD interface is used for external display modules. Confirm timing, power, and backlight configuration before use.
Backup Battery
The backup battery provides RTC power so the system time can be retained after power loss.
Wi-Fi / Bluetooth Module
The onboard Wi-Fi/Bluetooth module provides wireless network and Bluetooth connectivity.
UART Interfaces
UART connectors are provided for external serial devices or debugging.
PCIe Interface
The PCIe interface can be used for supported high-speed peripherals.
SATA Interface
The SATA interface can be used for supported storage devices.