TDERR=CORRECT, CALEV=NO_CALEVENT, TIMEV=NO_TIMEVENT, ALARM=NO_ALARMEVENT, SEC=NO_SECEVENT, ACKUPD=FREERUN
Status Register
| ACKUPD | Acknowledge for Update 0 (FREERUN): Time and calendar registers cannot be updated. 1 (UPDATE): Time and calendar registers can be updated. |
| ALARM | Alarm Flag 0 (NO_ALARMEVENT): No alarm matching condition occurred. 1 (ALARMEVENT): An alarm matching condition has occurred. |
| SEC | Second Event 0 (NO_SECEVENT): No second event has occurred since the last clear. 1 (SECEVENT): At least one second event has occurred since the last clear. |
| TIMEV | Time Event 0 (NO_TIMEVENT): No time event has occurred since the last clear. 1 (TIMEVENT): At least one time event has occurred since the last clear. |
| CALEV | Calendar Event 0 (NO_CALEVENT): No calendar event has occurred since the last clear. 1 (CALEVENT): At least one calendar event has occurred since the last clear. |
| TDERR | Time and/or Date Free Running Error 0 (CORRECT): The internal free running counters are carrying valid values since the last read of the Status Register (RTC_SR). 1 (ERR_TIMEDATE): The internal free running counters have been corrupted (invalid date or time, non-BCD values) since the last read and/or they are still invalid. |