If I read port A, I noticed that bit 8 (PA8) is high when the BOOT0 button is pressed, low when released.
I can’t see on the schematic that they’re connected, and no documentation I’ve read suggests this is the case.
Does anyone here know why this is happening?
Update: I just checked with a meter, and there is continuity between PA8 and the BOOT0 button.
Since it’s not documented, Sipeed - can we depend on this? Can we have the updated schematic?