Radxa 8-inch Display

Radxa Cubie A7A's onboard MIPI DSI interface can be used to connect the Radxa 8-inch Display for video output.

Interface Specifications

Display Interface

The Radxa 8-inch Display interface specifications are as follows:

• Interface type: 40-Pin 0.5 mm pitch SMD horizontal FPC connector
• Connection method: Flip-lock, bottom contact

Board MIPI DSI Interface

Radxa Cubie A7A's board MIPI DSI interface specifications are as follows:

• Interface type: 39-Pin 0.3 mm pitch SMD horizontal FPC connector
• Connection method: Flip-lock, bottom contact

Display FPC Cable

Uses a 40-Pin 0.5 mm pitch to 39-Pin 0.3mm pitchopposite side FPC cable

Hardware Connection

Insert the 40-Pin metal contact end of the FPC cable into the display interface, and insert the 39-Pin metal contact end of the FPC cable into the board's MIPI DSI interface.

Precautions

• Ensure both cable edges are flush with the socket edges, with no skew or partially exposed contacts
• Confirm the cable has no creases, is not loose, and the lock is in the closed position

Software Enable

Use the Rsetup tool included with the Radxa system to enable the Radxa 8-inch Display.

Rsetup Usage Guide

• Select option: Corresponding option will be highlighted
• Confirm selection: Press Enter
• Cancel selection: Press ESC
• Switch options: Use Up, Down, Left, Right keys to navigate
• Multi-select interface: Press Space to select, press Enter to confirm selection; when a function is selected, an * will appear in the corresponding option box indicating the option is enabled

Run the rsetup command in the terminal to launch the Rsetup tool:

radxa@cubie-a7a$

rsetup

In the Rsetup tool, navigate to Overlays -> Manage overlays.

1. Use arrow keys to locate the [ ] Enable Radxa Display 8HD option
2. Press Space to show [*] Enable Radxa Display 8HD, indicating the feature is selected
3. Press Enter to confirm and save the settings, enabling the display
4. Restart the system to apply the configuration