Hello @meghasb ,Once programming the SEED value with four write access, you should wait until SEEDF = 0 in TAMP_ATOR.if the function HAL_RTCEx_SetActiveSeed() return HAL_OK, it means that the SEED programming is OK.To use the HAL_RTCEx_SetActiveSeed(...
Hello @waclawek.jan ,Yes, I understand the point.Mongolov saw '(1Hz) on pin PC13. So, I guess that is the RTC calibration output is enabled on RTC Output 1.And to use the PC13 as the standard GPIO Pin (GPIO_INPUT) he need to follow condition given b...
Hello @Nikhil D&K Can you check if the debug MCU STOP mode is not enabled. (Bit DBG_STOP inside the DBGMCU_CR register).In Debug Stop mode, the FCLK and HCLK are provided by the internal RC oscillator which remains active in STOP mode.Best Regards,Ce...
Hello @Mongolov ,To enable the calibration output (" (1Hz) on pin PC13"), the RTC_CR_COE bit need to be enable.In order to use the PC13 pin as standard GPIO you need to respect the condition given by the table 333. inside RM0440: Maybe one of this co...