STM32F205 RTC can not periodical wakeup from Standby mode
Hi I am using STM32F205RCT6 to try periodical wakeup from standby mode. I choose RTC_WakeUpClock_RTCCLK_Div16 and set wakup counter 0x9000, that is about 18 Seconds @32768hz LSE. In main function,first print wakeup counter and RTC_CR, then every 1 ...