Hello,
after programming the code via the OnBoard ST-Link and connecting/disconencting USB on the Device side in order to find out if the works, I can no longer access the microcontroller.
I have no idea what the rootcause is, 3.3V is fine. Could it be that the MCU is stuck in a lowpower mode(I did not configure any).
Thanks a lot.
Best Regards, Seppel
As the Support of ST pointed out, it can be found at the RCC -> Paramater-Setting -> SupplySource (Parameter) .
Many tanks to the ST Support. :thumbs_up:
