Use a separate inexpensive 12MHz crystal module and have this drive the XIN inputs on all RP2350s. Run separate tracks from the module to each MCU and put small resistors (I use 33 Ohm) in each track to attenuate reflections.
This one seems to be the cheapest at the moment
https://jlcpcb.com/partdetail/KYX-K3A12 ... /C19076884
This one seems to be the cheapest at the moment
https://jlcpcb.com/partdetail/KYX-K3A12 ... /C19076884
Statistics: Posted by MikeDB — Sat Jul 19, 2025 1:31 pm