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REAL TIME CLOCK (RTC) S3C2410A
17-6
RTC ALARM CONTROL (RTCALM) REGISTER
The RTCALM register determines the alarm enable and the alarm time. Note that the RTCALM register generates the
alarm signal through both ALMINT and PMWKUP in power down mode, but only through ALMINT in the normal
operation mode.
Register Address R/W Description Reset Value
RTCALM 0x57000050(L)
0x57000053(B)
R/W
(by byte)
RTC alarm control register 0x0
RTCALM Bit Description Initial State
Reserved [7] 0
ALMEN [6] Alarm global enable.
0 = Disable, 1 = Enable
0
YEAREN [5] Year alarm enable.
0 = Disable, 1 = Enable
0
MONREN [4] Month alarm enable.
0 = Disable, 1 = Enable
0
DATEEN [3] Date alarm enable.
0 = Disable, 1 = Enable
0
HOUREN [2] Hour alarm enable.
0 = Disable, 1 = Enable
0
MINEN [1] Minute alarm enable.
0 = Disable, 1 = Enable
0
SECEN [0] Second alarm enable.
0 = Disable, 1 = Enable
0