Raspberry Pi Compute Module 4 I/O Mini Base Board (C) (23228)

TheRaspberry Pi Compute Module 4 I/O Mini Base Board (C) (23228 ) is an expansion board specifically designed for the Raspberry Pi Compute Module 4 (CM4). The CM4 is a computer module based on the Raspberry Pi 4 architecture, but with a smaller form factor that allows it to be easily integrated into various project devices. The main purpose of the Raspberry Pi Compute Module 4 I/O Mini Base Board (C) is to provide additional connectors and interfaces for connecting external devices to the CM4. The board has GPIO, HDMI, USB, Ethernet, and other connectors that allow you to connect a variety of peripherals such as displays, cameras, sensors, USB devices, and more.

The Raspberry Pi Compute Module 4 I/O Mini Base Board (C) extends the capabilities of the CM4 and provides more flexibility for CM4-based project development. It provides convenient connectors and interfaces for connecting a variety of devices and allows you to focus on developing project functionality without wasting time designing your own expansion board.

Specifications

• CM4 SOCKET: suitable for all Compute Module 4 variants
• NETWORK: Gigabit Ethernet RJ45 connector
• SOCKET: M.2 M KEY, supports communication modules or NVME SSDs
• Raspberry Pi: 40-pin GPIO connector
• USB: USB 2.0 type A × 2
• DISPLAY: LCD port (40-pin 0.5 mm FPC connector)
• CAMERA: MIPI CSI-2 × 2 camera port (15-pin 1.0 mm FPC connector)
• VIDEO: HDMI port, supports 4K 30fps output
• RTC: real-time clock with battery slot and Compute Module 4 output capability
• STORAGE: TF card slot for Compute Module 4 Lite variants (without eMMC)
• FAN SOCKET: Allows for adjustable speed, 5V
• POWER INPUT: 5В
• DIMENSIONS: 85 × 56 mm

Board elements:

1. CM4 connector: suitable for all Compute Module 4 variants
2. Input power/programming: 5V/2.5A power supply or used for eMMC writing
3. LCD port: 40-pin LCD port for direct connection to 70H-1024600 series display
4. FAN: for connecting a cooling fan, allows speed adjustment via I/O ports
5. CAM: 2 MIPI CSI camera ports
6. HDMI0 connector: HDMI0 port, supports 4K 30fps output
7. USB 2.0 ports: 2 USB 2.0 ports for connecting a variety of USB devices
8. Gigabit Ethernet connector: RJ45 Gigabit Ethernet connector with 10/100/1000M network support
9. M.2 indicator: indicates the operating status of the M.2 interface
10. Raspberry Pi indicators:
    1. Green LED: PWR, indicating the status of the Raspberry Pi power supply
    2. Red LED: ACT, indicating the operating status of the Raspberry Pi
11. Boot switch:
    1. ON: CM4 will boot from the USB-C interface
    2. OFF: CM4 will boot from an eMMC or TF card
12. 40-pin GPIO connector for connecting various kinds of HATs
13. TF card slot for connecting a TF card with a pre-recorded image (for the simplified version ONLY)
14. FE1.1S: USB HUB chip, supports USB port expansion
15. M.2 slot supports NVME SSDs or communication modules with PCIE M.2 KEY-M interface
16. RTC chip enables RTC-related functions such as wake-up, shutdown, reboot, etc.
17. Selects the RTC interrupt:
    1. GN-EN: terminate CM4 (default) after RTC interrupt
    2. PI-RUN: restart CM4 after an RTC interrupt
    3. D4: D4 pin is triggered by an RTC interrupt
18. RTC battery holder supports CR1220 button cell
19. 

Overall dimensions: 85mm x 62.4mm

WIKI: www.waveshare.com/wiki/CM4-IO-BASE-C

Scope of delivery:

1. CM4-IO-BASE-C x1
2. Solid state drive mounting screw x1

Weight: 0.051 kg