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F10x，How to distinguish WKUP Pin/RTC alarm in standby?

Microstar
Associate III

‎2016-08-01 08:04 PM

Posted on August 02, 2016 at 05:04

Both sources were enabled, I didn't find a register can identify them.

#stm32f1
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Tesla DeLorean
Guru

‎2016-08-01 08:33 PM

Posted on August 02, 2016 at 05:33

The PWR peripheral should flag the WUP, and I'd expect the RTC to flag itself as the source via the Alarm, or EXTI17

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Microstar
Associate III

‎2016-08-10 08:06 AM

Posted on August 10, 2016 at 17:06

Thx for your reply. In F10x series RTC_CR and NVIC is not powered in standby mode.

But follow your guide, I can compare RTC_CNT and RTC_ALR.

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