CLOCK

Clock Value in Clock/Calendar mode (CTRLA.MODE=2)

  0x18 32 PAC Write-Protection, Write-Synchronized, Read-Synchronized 0x00000000    
Parent topic: Register Description - Mode 2 - Clock/Calendar

Clock Value in Clock/Calendar mode (CTRLA.MODE=2)

Bit  31 30 29 28 27 26 25 24  
  YEAR[5:0] MONTH[3:2]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  23 22 21 20 19 18 17 16  
  MONTH[1:0] DAY[4:0] HOUR[4]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  HOUR[3:0] MINUTE[5:2]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  MINUTE[1:0] SECOND[5:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  

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