The issue of clock configuration for STM32F446RCT6

[乒乓]

Why is it that when I set the clock frequency of the STM32 to a high frequency (180 MHz), the code will crash, but when I set it to a low frequency (72 MHz), the code can run normally?

[mƎALLEm]

Hello @乒乓 and welcome to the ST community,

What crystal value you've attached to HSE? you should not exceed 8MHz in that configuration.

[乒乓]

The external clock I configured is 8 MHz.

[乒乓]