I have bought a batch of STM32F750N8 MCU's and have found that the following pins do not work. PB14, PB15, and PA12/PA11.
I have tried turning these pins to GPIO's and tried toggling them, however, they seem to just be floating. I can confirm that these pins have been soldered on properly, since I have checked them using an X-RAY inspection system. I can also confirm th...