Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
344
16.6.4 RTC Calendar Register
Name: RTC_CALR
Address: 0x400E186C
Access: Read/Write
 CENT: Current Century
The range that can be set is 19–20 (gregorian) or 13–14 (persian) (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
 YEAR: Current Year
The range that can be set is 00–99 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
 MONTH: Current Month
The range that can be set is 01–12 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
 DAY: Current Day in Current Week
The range that can be set is 1–7 (BCD).
The coding of the number (which number represents which day) is user-defined as it has no effect on the date counter.
 DATE: Current Day in Current Month
The range that can be set is 01–31 (BCD).
The lowest four bits encode the units. The higher bits encode the tens.
All non-significant bits read zero.
31 302928 27 26 25 24
–– DATE
23 22 21 20 19 18 17 16
DAY MONTH
15 14 13 12 11 10 9 8
YEAR
76543 210
–CENT