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STM32F401RET6 RTC initialization failed one power up

QiWang
Associate

‎2023-12-26 4:48 PM

Hi,

The RTC block was driven by LSI (internal RC osillator), we just found few boards failed to initialize the RTC block and the program was stuck there. What could be the possible reason? Is it due to the floating pin of Tamper?

thanks,

Qi

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