Raspberry Pi has announced three new versions of the Compute Module 4S (CM4S), which first appeared on the market in 2022. The product can be used to create all kinds of embedded devices, industrial equipment, medical monitoring systems, etc.
The module is based on the Raspberry Pi 4 Model B architecture. The basis of the CM4S is the Broadcom BCM2711 chip, which combines four Arm Cortex-A72 (Arm v8) computing cores with a clock frequency of 1.5 GHz, as well as a VideoCore VI unit with support for OpenGL ES 3.0 and Vulkan 1.1. It is possible to decode video materials in H.265 format (up to 4Kp60).
Image source: Raspberry Pi
The original CM4S model was equipped with only 1 GB of LPDDR4-3200 SDRAM with ECC support. New versions are available with 2, 4 and 8 GB of RAM. The capacity of the eMMC flash chip can be 8, 16 and 32 GB.
The module has dimensions of 67.6 × 31.0 mm and corresponds to the SO-DIMM form factor. It says support for the following interfaces: HDMI 2.0 (up to 4Kp60), MIPI DSI (2 lines and 4 lines), composite TV output (PAL or NTSC), MIPI CSI (2 lines and 4 lines), USB 2.0, GPIO and SDIO 2.0 (only modification CM4SLite without eMMC chip).
It is planned to produce CM4S computing modules at least until January 2034. Prices start at $25 when ordered in quantities of 200 or more through the Raspberry Pi Approved Resellers program.
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