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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 400 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
RTC Calendar Alarm Register (RTC_CALM)
Register
Offset
R/W
Description
Reset Value
RTC_CALM
0x020
R/W
RTC Calendar Alarm Register
0x0000_0000
31
30
29
28
27
26
25
24
WKDALM_MSK YRALM_MSK MONALM_MSK DAYALM_MSK
Reserved
WEEKDAY
23
22
21
20
19
18
17
16
TENYEAR
YEAR
15
14
13
12
11
10
9
8
Reserved
TENMONTH
MONTH
7
6
5
4
3
2
1
0
Reserved
TENDAY
DAY
Bits
Description
[31]
WKDALM_MSK
Day of Week Alarm Mask
This bit controls if WEEKDAY (RTC_CALM[26:24]) could trigger RTC timer alarm.
0 = WEEKDAY (RTC_CALM[26:24]) could trigger RTC time alarm.
1 = WEEKDAY (RTC_CALM[26:24]) couldn
’t trigger RTC time alarm.
[30]
YRALM_MSK
Year Alarm Mask
This bit controls if TENYEAR (RTC_CALM[23:20]) and YEAR (RTC_CALM[19:16]) could
trigger RTC timer alarm.
0 = TENYEAR (RTC_CALM[23:20]) and YEAR (RTC_CALM[19:16]) could trigger RTC
time alarm.
1 = TENYEAR (RTC_CALM[23:20]) and YEAR (RTC_CALM[19:16]) couldn
’t trigger RTC
time alarm.
[29]
MONALM_MSK
Month Alarm Mask
This bit controls if TENMONTH (RTC_CALM[12]) and MONTH (RTC_CALM[11:8]) could
trigger RTC timer alarm.
0 = TENMONTH (RTC_CALM[12]) and MONTH (RTC_CALM[11:8]) could trigger RTC
time alarm.
1 = TENMONTH (RTC_CALM[12]) and MONTH (RTC_CALM[11:8]) couldn
’t trigger RTC
time alarm.
[28]
DAYALM_MSK
Day Alarm Mask
This bit controls if TENDAY (RTC_CALM[5:4]) and DAY (RTC_CALM[3:0]) could trigger
RTC timer alarm.
0 = TENDAY (RTC_CALM[5:4]) and DAY (RTC_CALM[3:0]) could trigger RTC time
alarm.
1 = TENDAY (RTC_CALM[5:4]) and DAY (RTC_CALM[3:0]) couldn
’t trigger RTC time
alarm.
[27]
Reserved
Reserved.