Datasheet

239
11011B–ATARM–21-Feb-12
SAM3N
14.6.6 RTC Calendar Alarm Register
Name: RTC_CALALR
Address: 0x400E1474
Access: Read-write
This register can only be written if the WPEN bit is cleared in “RTC Write Protect Mode Register” on page 246.
• MONTH: Month Alarm
This field is the alarm field corresponding to the BCD-coded month counter.
• MTHEN: Month Alarm Enable
0 = The month-matching alarm is disabled.
1 = The month-matching alarm is enabled.
•DATE: Date Alarm
This field is the alarm field corresponding to the BCD-coded date counter.
• DATEEN: Date Alarm Enable
0 = The date-matching alarm is disabled.
1 = The date-matching alarm is enabled.
31 30 29 28 27 26 25 24
DATEEN – DATE
23 22 21 20 19 18 17 16
MTHEN – – MONTH
15 14 13 12 11 10 9 8
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