RTC Time Register
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| AMPM | HOUR[5:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| MIN[6:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SEC[6:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
Current Second
The range that can be set is 0–59 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
Current Minute
The range that can be set is 0–59 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
Current Hour
The range that can be set is 1–12 (BCD) in 12-hour mode or 0–23 (BCD) in 24-hour mode.
Ante Meridiem Post Meridiem Indicator
This bit is the AM/PM indicator in 12-hour mode.
| Value | Description |
|---|---|
| 0 | AM. |
| 1 | PM. |