Samsung S3C2451X User Manual page 342

Real Time Clock
14.6.5 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 ALMWKUP as power mode.
For using ALMINT and ALMWKUP, ALMEN must be enable.
If compare value is year, ALMEN and YEAREN must be enable.
If compare values are year,mon,date,hour,min and sec, ALMEN,YEAREN,MONEN,DATEEN,HOUREN,MINEN
and SECEN must be enable.
Register Address
RTCALM 0x57000050
RTCALM
Reserved
ALMEN
YEAREN
MONEN
DATEEN
HOUREN
MINEN
SECEN
14-10
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
R/W
R/W
Bit Description
[7]
[6] Alarm global enable
0 = Disable,
Note: For using ALMINT and ALMWKUP, set
ALMEN=1'b1
[5] Year alarm enable
0 = Disable,
[4] Month alarm enable
0 = Disable,
[3] Date alarm enable
0 = Disable,
[2] Hour alarm enable
0 = Disable,
[1] Minute alarm enable
0 = Disable,
[0] Second alarm enable
0 = Disable,
Description
RTC alarm control Register
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
S3C2451
RISC MICROPROCESSOR
Reset Value
0x0
Initial State
0
0
0
0
0
0
0
0