I use stm32f410cbt3 with STM32CubeMx v4.23.0 setting HCLK . I try use HSI or HSE as clock souce . Complier tool is IAR ver 8.20.2.
Anyway I can run under 40M hz ,mcu run properly . But change to higher even 100M hz(max) . Mcu always happen Hard Fault .
Have anyone can give some suggestion for me ?