Hi every one.
I useing the CUBE MX for generate code. I would like to know when I use CSS(Enable the Clock Security system). After external clock fail MCU. Will it switch to internal clock. I attach file please see that and tell me How to use CSS.
I resolve my program. I would like to tell you. When external crystal fail. MCU will interrupt void NMI_Handler(void) in stm32fxxx.it.c .
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