Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
252
14.6.6 RTC Calendar Alarm Register
Name: RTC_CALALR
Address: 0x400E1A74
Access: Read-write
This register can only be written if the WPEN bit is cleared in “RTC Write Protect Mode Register” on page 259.
• 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 302928 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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