Samsung S3C6400X User Manual page 1052

S3C6400
RISC MICROPROCESSOR
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
RTCALM 0x7E005050
RTCALM
Reserved
ALMEN
YEAREN
MONEN
DATEEN
HOUREN
MINEN
SECEN
ALARM SECOND DATA (ALMSEC) REGISTER
Register Address
ALMSEC 0x7E005054
ALMSEC
Reserved
SECDATA
ALARM MIN DATA(ALMMIN) REGISTER
Register Address
ALMMIN 0x7E005058
ALMMIN
Reserved
MINDATA
R/W
R/W
Bit Description
[7]
[6] Alarm global enable
0 = Disable,
[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,
R/W
R/W
Bit Description
[7]
[6:4] BCD value for alarm second.
0 ~ 5
[3:0] 0 ~ 9
R/W
R/W
Bit Description
[7]
[6:4] BCD value for alarm minute.
0 ~ 5
[3:0] 0 ~ 9
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.
Description
RTC alarm control Register
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
1 = Enable
Description
Alarm second data Register
Description
Alarm minute data Register
Real Time Clock
Reset Value
0x0
Initial State
0
0
0
0
0
0
0
0
Reset Value
0x0
Initial State
0
000
0000
Reset Value
0x00
Initial State
0
000
0000
33-7