Clock Value in Clock/Calendar mode (CTRLA.MODE=2)
Name:
CLOCK
Offset:
0x18
Reset:
0x00000000
Access:
PAC Write-Protection, Write-Synchronized, Read-Synchronized
Bit3130292827262524
YEAR[5:0]MONTH[3:2]
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000
Bit2322212019181716
MONTH[1:0]DAY[4:0]HOUR[4:4]
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000
Bit15141312111098
HOUR[3:0]MINUTE[5:2]
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000
Bit76543210
MINUTE[1:0]SECOND[5:0]
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000

Bits 31:26 – YEAR[5:0]: Year

Year

The year offset with respect to the reference year (defined in software).

The year is considered a leap year if YEAR[1:0] is zero.

Bits 25:22 – MONTH[3:0]: Month

Month

1 – January

2 – February

...

12 – December

Bits 21:17 – DAY[4:0]: Day

Day

Day starts at 1 and ends at 28, 29, 30, or 31, depending on the month and year.

Bits 16:12 – HOUR[4:0]: Hour

Hour

When CTRLA.CLKREP=0, the Hour bit group is in 24-hour format, with values 0-23. When CTRLA.CLKREP=1, HOUR[3:0] has values 1-12, and HOUR[4] represents AM (0) or PM (1).

Bits 11:6 – MINUTE[5:0]: Minute

Minute

0 – 59

Bits 5:0 – SECOND[5:0]: Second

Second

0 – 59