Farnell launches Raspberry Pi Compute Module 4

October 19, 2020 //By Ally Winning
Farnell has launched the Raspberry Pi Compute Module 4 (CM4) to bring the power of the Raspberry Pi 4 to the compute module family.
Farnell has launched the Raspberry Pi Compute Module 4 (CM4) to bring the power of the Raspberry Pi 4 to the compute module family.

The CM4 is accompanied by two new accessories, the Compute Module 4 I/O (CM4IO) Board and the Compute Module 4 Antenna Kit.

CM4 is a System on Module (SoM) that provides a larger range of connectivity and memory options that previous Rasperry Pi compute modules. Key features of the module include greater power efficiency, PCle support and a wide selection of multimedia interfaces. CM4 is ideal for AI, the IoT and a wide range of home and industrial automation applications.

CM4 is based on the Raspberry Pi Model 4B single-board computer. It comes in a smaller form factor that includes new interfaces such as dual HDMI, PCIe and Gigabit Ethernet. Access to the processor interfaces and GPIO pins comes through dual 100 pin high density connectors. The SoM is available with different eMMC flash and DRAM density options, and also features optional dual-band wireless connectivity. A “lite” variant is also available that comes without the eMMC fitted.

CM4 features include:

• A Broadcom BCM2711 quad-core ARM Cortex-A72 64-bit processor clocked at 1.5GHz, offering industry-leading performance and power efficiency.

• 1GB to 8GB of LPDDR4-3200 SDRAM and up to 32GB of eMMC Flash memory depending on the model.

• Hardware codec support for H.265 (up to 4kp60 decode) and H.264 (up to 1080p60 decode and 1080p30 encode).

• Optional fully certified radio module, supporting dual-band IEEE 802.11 b/g/n/ac wireless networking and Bluetooth 5.0.

The CM4IO Board simplifies the design of new products using the CM4. It can be used for evaluation and prototyping, or to serve as a reference design to interface external devices to the CM4 and embedded directly into end products. The CM4IO Board can be used with the complete range of CM4 modules and features:

• Gigabit Ethernet connectivity with PoE support (requires separate Raspberry Pi PoE HAT)

• Two full-size HDMI connectors

• Two USB 2 sockets, with a header for two more sockets

• A micro-USB


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