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@azonenberg@ioc.exchange
2025-12-22 08:13:13

468 nets unrouted. Still have to do the FPGA flash, the power supply, bulk caps for the FPGA, and a few other odds and ends but the entire SoC subsystem is basically routed.
So at this point I can already say definitively that routing the STM32MP2 in TFBGA436 on an OSHPark 4-layer board is extremely doable as long as you aren't trying to max the IOs. Using the DDR may or may not be possible (I'm not trying here) but the internal RAM and HyperRAM are enough for a lot of applicat…

KiCAD layout render of a 4-layer board with a large FPGA at the center, a slightly smaller SoC to the east, a SFP+ in the southwest, and a bunch of floating passives not yet hooked up