Template: CM4-DISP-BASE-2.8A Spec
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Overview
This product is a specially designed 2.8-inch CM4 touch screen expansion board for Raspberry Pi Compute Module 4. CM4-DISP-BASE-2.8A is a baseboard that can be used with Raspberry Pi Compute Module 4, using 5V/ 2.5A USB Type Powered by the C interface, it can be directly connected to the CM4 core board, equipped with a 2.8-inch IPS display, which can meet the operation of various versions of CM4, and supports camera and video output.
Notices
1: The display uses the DIP interface instead of the HDMI interface.
2: Please use a 5V/4A or higher power adapter.
Dimensions
Touch Screen Expansion Board
| Label | Name | Description | |
| 1 | CM4 Connector | Applies to all versions of Compute Module 4 | |
| 2 | CAM Interface | 22PIN MIPI CSI Camera Interface | |
| 3 | Power supply/burning interface | 5V/2.5A power supply, can also be used as eMMC programming interface | |
| 4 | USB 2.0 interface | USB 2.0 interface, support various USB devices to be inserted | |
| 5 | HDMI1 port | Micro HDMI port, support 4K 30fps output | |
| 6 | BOOT | ON: CM4 USB Type C boot boot OFF: eMMC or SD card boot boot | |
| 7 | Interface Expansion | Including Gigabit Ethernet, PCIE, USB and other interfaces |
Optional Interface Expander Introduction
| Label | Name | Description |
| 1 | USB 2.0 interface | 3-channel USB 2.0 interface, support various USB device |
| 2 | M.2 M KEY interface | Suitable for NVIE SSD, or communication module supporting PCIE M.2 interface |
| 3 | Gigabit Ethernet port | RJ45 Gigabit Ethernet port, support 10 / 100 / 1000M network access |
| 4 | M.2 LED | M.2 indicates the working status of the interface |
| 5 | Interface Access | Extended Interface Access |