22.6.22 RTC Last Stamping Time Register x
This configuration is relevant only if RTC_MR.UTC = 0.
RTC_LSTRx reports the timestamp time of the last tamper event that occured on TMPx pins after the last read of RTC_LSDRx.
| Name: | RTC_LSTRx |
| Offset: | 0x48 + x*0x10 [x=0..4] |
| Reset: | 0x00000000 |
| Property: | Read-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| BACKUP | |||||||||
| Access | R | ||||||||
| Reset | 0 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| AMPM | HOUR[5:0] | ||||||||
| Access | R | R | R | R | R | R | R | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| MIN[6:0] | |||||||||
| Access | R | R | R | R | R | R | R | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SEC[6:0] | |||||||||
| Access | R | R | R | R | R | R | R | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
Bit 31 – BACKUP System Mode of the Tamper (cleared by reading RTC_LSDRx)
| Value | Description |
|---|---|
| 0 | The system is not in Backup mode when the tamper event occurs. |
| 1 | The system is in Backup mode when the tamper event occurs. |