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S3C2440A RISC MICROPROCESSOR REAL TIME CLOCK
17-7
ALARM DATE DATA (ALMDATE) REGISTER
Register Address R/W Description Reset Value
ALMDATE 0x57000060(L)
0x57000063(B)
R/W
(by byte)
Alarm date data register 0x01
ALMDATE Bit Description Initial State
Reserved [7:6]
00
DATEDATA [5:4] BCD value for alarm date, from 0 to 28, 29, 30, 31.
0 ~ 3
00
[3:0] 0 ~ 9 0001
ALARM MON DATA (ALMMON) REGISTER
Register Address R/W Description Reset Value
ALMMON 0x57000064(L)
0x57000067(B)
R/W
(by byte)
Alarm month data register 0x01
ALMMON Bit Description Initial State
Reserved [7:5]
00
MONDATA [4] BCD value for alarm month.
0 ~ 1
0
[3:0] 0 ~ 9 0001
ALARM YEAR DATA (ALMYEAR) REGISTER
Register Address R/W Description Reset Value
ALMYEAR 0x57000068(L)
0x5700006B(B)
R/W
(by byte)
Alarm year data register 0x0
ALMYEAR Bit Description Initial State
YEARDATA [7:0] BCD value for year.
00 ~ 99
0x0