https://www.cnx-software.com/2025/09/23/raspberry-pi-cm0-castellated-module-features-raspberry-pi-rp3a0-system-in-package/
Raspberry Pi CM0 is a yet-to-be-officially-announced castellated Compute Module based on the Raspberry Pi RP3A0 SiP (System-in-Package) found in the
raspberry picastellatedmodulefeaturessystem
https://www.cnx-software.com/2024/08/02/rockchip-rk3576-castellated-som-powers-development-board-with-12-analog-camera-inputs/?amp=1
Boardcon CM3576 is a system-on-module (SoM) Rockchip RK3576 with castellated holes that also powers the company's EM3576 development board with 12 analog
development boardrockchipcastellatedsompowers
