Resolved! MCU internal oscillator is not 16Mhz but 18Mhz on some MCU. Why is that ?
Hello,I found this issue that seems that I still can't find the reason.I am using a STM32F750N8H6 (7BA3Z 9R 1), BGA package on a custom 6 layer board.I manufactured 11 boards, and within those 11, 8 of them the HSI seems to be at 18Mhz although the H...