SparkFun
Raspberry Pi Compute Module 4 I/O Board
The Raspberry Pi Compute Module 4 I/O board is the perfect compliment to get you started working the Compute Module 4 line. The Compute Module plugs right in...
The Raspberry Pi Compute Module 4 I/O board is the perfect compliment to get you started working the Compute Module 4 line. The Compute Module plugs right into the I/O Board and provides a multitude of inputs and outputs for prototyping or evaluation needs.
The board includes 5v and 12v power connectors and 2 USB 2.0 connectors along with headers for two additional connectors. 2 HDMI full sized HDMI connectors and 2 MIPI DSI display FPC connectors provide support for displays along with 2 MIPI CSI-2 camera FPC connectors. It features the standard 40 pin Raspberry Pi HAT I/O connector as well. On board real time clock with back-up battery provides the ability to wake up the Compute Module 4. An RJ45 Ethernet jack provides access to the Compute Module’s gigabit Ethernet and the board also includes a PCIe GEN 2 socket. Various jumper headers offer the ability to hardware disable/enable features and another header provides support for fans.
Jargon buster
Plain-language definitions for the technical terms used above.
- DSI
- DSI stands for Display Serial Interface, a high-speed connection commonly used to send video data from a computer board to a display. It matters because DSI signals are not simple GPIO wires, so the cable, connector, and signal routing need to match the display interface.
- FPC
- FPC stands for flexible printed circuit, a flat flexible cable or connector style often used where space is tight. It matters because this breakout needs the correct pin count and pitch FPC cable to connect reliably to the display or high-speed interface.
- HDMI
- HDMI is a common digital video and audio connection used by computers, media players, and many displays. If a display kit has HDMI input, it is usually much easier to test with a single-board computer because it can act like a normal monitor.
- Headers
- Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
- MIPI
- MIPI is a high-speed display and camera interface often used inside phones, tablets, and embedded devices. It matters because raw MIPI displays usually need special driver hardware or software support, unlike plug-and-play HDMI screens.
- RJ45
- The common plug and socket style used for wired Ethernet network cables. If a board has an RJ45 connector, you can usually plug it into standard Ethernet cabling without making a custom connector.
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Raspberry Pi
Raspberry Pi Compute Module 4 I/O Board Datasheet
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Supplier page — sparkfun.com
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