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6.3.13
Hour Alarm Register (HRAR)
Address: 0x000B Initial value: 0x00
D7
D6
AR
0
R/W
R
The alarm value must be a BCD (Binary Coded Decimal) code between 00 and 23.
6.3.14 Day-of-the-Week Alarm Register (WKAR)
Address: 0x000C, Initial value: 0x00
D7
D6
AR
0
R/W
R
The alarm value must be set within a range from 0x00 to 0x06.
• Day of theweek and septinary counter value
(D2.D1.D0) = (0.0.0) ------ Sunday
(D2.D1.D0) = (0.0.1) ------ Monday
(D2.D1.D0) = (0.1.0) ------ Tuesday
(D2.D1.D0) = (0.1.1) ------ Wednesdady
(D2.D1.D0) = (1.0.0) ------ Thursday
(D2.D1.D0) = (1.0.1) ------ Friday
(D2.D1.D0) = (1.1.0) ------ Saturday
6.3.15 Day Alarm Register (DAYAR)
Address: 0x000D Initial value: 0x00
D7
D6
AR
0
R/W
R
The alarm value must be a BCD (Binary Coded Decimal) code between 1 and 31 (January, March, May, July, August,
October and December), between 1 and 30 (April, June, September and November), between 1 and 28 (February in normal
year) or between 1 and 29 (February in leap year).
D5
D4
10 hours
R/W
R/W
D5
D4
0
0
R
R
D5
D4
10 days
R/W
R/W
D3
D2
1 hour
R/W
R/W
R/W
D3
D2
0
Septinary counter value
R
R/W
R/W
D3
D2
1 day
R/W
R/W
R/W
63
D1
D0
R/W
D1
D0
R/W
D1
D0
R/W
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