Samsung S3C6400X User Manual page 1053

Real Time Clock
ALARM HOUR DATA(ALMHOUR) REGISTER
Register Address
ALMHOUR 0x7E00505C
ALMHOUR
Reserved
HOURDATA
ALARM DATE DATA (ALMDATE) REGISTER
Register Address
ALMDATE 0x7E005060
ALMDATE Bit
Reserved [7:6]
DATEDATA [5:4]
[3:0]
ALARM MONTH DATA(ALMMON) REGISTER
Register Address
ALMMON 0x7E005064
ALMMON
Reserved
MONDATA
ALARM YEAR DATA(ALMYEAR) REGISTER
Register Address
ALMYEAR 0x7E005068
ALMYEAR
YEARDATA
33-8
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]
[5:4] BCD value for alarm hour.
0 ~ 2
[3:0] 0 ~ 9
R/W
R/W
Description
BCD value for alarm date, from 0 to 28, 29, 30, 31.
0 ~ 3
0 ~ 9
R/W
R/W
Bit Description
[7:5]
[4] BCD value for alarm month.
0 ~ 1
[3:0] 0 ~ 9
R/W
R/W
Bit Description
[7:0] BCD value for year.
00 ~ 99
Description
Alarm hour data Register
Description
Alarm day data Register
Description
Alarm month data Register
Description
Alarm year data Register
S3C6400
RISC MICROPROCESSOR
Reset Value
0x0
Initial State
00
00
0000
Reset Value
0x01
Initial State
00
00
0001
Reset Value
0x01
Initial State
00
0
0001
Reset Value
0x0
Initial State
0x0