Datasheet

231
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
18.8.11 Clock Value
18.8.11.1 Mode 2
Name: CLOCK
Offset: 0x10
Reset: 0x00000000
Property: Write-Protected, Write-Synchronized, Read-Synchronized
z Bits 31:26 – YEAR[5:0]: 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.
z Bits 25:22 – MONTH[3:0]: Month
1 – January
2 – February
…
12 – December
z Bits 21:17 – DAY[4:0]: Day
Day starts at 1 and ends at 28, 29, 30 or 31, depending on the month and year.
z Bits 16:12 – HOUR[4:0]: Hour
When CTRL.CLKREP is zero, the Hour bit group is in 24-hour format, with values 0-23. When CTRL.CLKREP is
one, HOUR[3:0] has values 1-12 and HOUR[4] represents AM (0) or PM (1).
z Bits 11:6 – MINUTE[5:0]: Minute
0 – 59.
Bit 3130292827262524
YEAR[5:0] MONTH[3:2]
Access R/W R/W R/W R/W R/W R/W R/W R/W
Reset00000000
Bit 2322212019181716
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
Reset00000000
Bit 151413121110 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
Reset00000000
Bit76543210
MINUTE[1:0] SECOND[5:0]
Access R/W R/W R/W R/W R/W R/W R/W R/W
Reset00000000