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REAL TIME CLOCK S3C2440A RISC MICROPROCESSOR
17-6
ALARM SECOND DATA (ALMSEC) REGISTER
Register Address R/W Description Reset Value
ALMSEC 0x57000054(L)
0x57000057(B)
R/W
(by byte)
Alarm second data register 0x0
ALMSEC Bit Description Initial State
Reserved [7]
0
SECDATA [6:4] BCD value for alarm second.
0 ~ 5
000
[3:0] 0 ~ 9 0000
ALARM MIN DATA (ALMMIN) REGISTER
Register Address R/W Description Reset Value
ALMMIN 0x57000058(L)
0x5700005B(B)
R/W
(by byte)
Alarm minute data register 0x00
ALMMIN Bit Description Initial State
Reserved [7]
0
MINDATA [6:4] BCD value for alarm minute.
0 ~ 5
000
[3:0] 0 ~ 9 0000
ALARM HOUR DATA (ALMHOUR) REGISTER
Register Address R/W Description Reset Value
ALMHOUR 0x5700005C(L)
0x5700005F(B)
R/W
(by byte)
Alarm hour data register 0x0
ALMHOUR Bit Description Initial State
Reserved [7:6]
00
HOURDATA [5:4] BCD value for alarm hour.
0 ~ 2
00
[3:0] 0 ~ 9 0000