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STM32L1 IWDG setup problem

WHuan.16
Associate II

Hi All,

I am using 32L100C Discovery board to develop my own project at the moment and I just need to add watch dog in my code. Everything works fine until I code generate IWDG according to the attached slides although settings are different and RCC is enabled.

In addition, I have 2 UARTS to transmit and receive packet to third UARTS but it transmitted weird character after code-generate watchdog. I set my ​prescaler to 32 and reload value to 4000 and I did not change anything in the clock configuration. Have I done something wrong and missed something?

Kind Regards,

William

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