Thought people might like to have a look at James' hard work putting together the compute module data sheet, which includes CM3
https://github.com/raspberrypi/document ... /README.md
Better to start a new thread on SPI slave, although it's been done to death, and I see you already pinged one of the older threads viewtopic.php?p=810290.baantonia wrote:I've been trying and failing to get GPIO18-GPIO21 mode 3 functions (SPI slave) working for some time now using the original documentation with a range of Raspberry Pi, including the CM1. I see in this datasheet there are empty spaces. Was this function ever really available?
The purpose of the CM(3)(L) is embedded applications, so it won't need a full Raspbian distro for those. Something like a laptop/tablet would more likely need more flash storage, but that kind of device will have plenty of physical and USB interface room for off-CM(3)(L) storage.W. H. Heydt wrote:Thank you very, very much for that. The CM3L is a surprise. The 4GB eMMC for the CM3 is a mild disappointment, but I'm glad to know for sure that that is what it will have.