Using "HAL_RTCEx_SetWakeUpTimer_IT" with RTC_WAKEUPCLOCK_CK_SPRE_16BITS
STM32L5 series Nucleo _L552ZE-Q..Using Example project "RTC_LowPower_STANDBY_WUT"The basis of the demo is to count the number of 3 second wakeups from standby, and after 5 wakeups, check the time elapsed =15 secs.As it is, “out of the box�? works fin...