리셋버튼 Bit 26 PINRSTF:PIN reset flag Set by hardware when a reset from the NRST pin occurs. // NRST 핀으로부터 hw 적으로 리셋플래그It is cleared by writing to the RMVF// RMVF 로부터 writing 되어야 값초기화bit. 0: No reset from NRST pin occurred 1: Reset from NRST pin occurred BKP introductionThe backup registers are forty two 16-bit registers for storing 84 bytes of user application data.They are implemented in the bac..