Laptop User Manual

REAL TIME CLOCK S3C2440A RISC MICROPROCESSOR
17-8
BCD SECOND (BCDSEC) REGISTER
Register Address R/W Description Reset Value
BCDSEC 0x57000070(L)
0x57000073(B)
R/W
(by byte)
BCD second register Undefined
BCDSEC Bit Description Initial State
SECDATA [6:4] BCD value for second.
0 ~ 5
-
[3:0] 0 ~ 9 -
BCD MINUTE (BCDMIN) REGISTER
Register Address R/W Description Reset Value
BCDMIN 0x57000074(L)
0x57000077(B)
R/W
(by byte)
BCD minute register Undefined
BCDMIN Bit Description Initial State
MINDATA [6:4] BCD value for minute.
0 ~ 5
-
[3:0] 0 ~ 9 -
BCD HOUR (BCDHOUR) REGISTER
Register Address R/W Description Reset Value
BCDHOUR 0x57000078(L)
0x5700007B(B)
R/W
(by byte)
BCD hour register Undefined
BCDHOUR Bit Description Initial State
Reserved [7:6] -
HOURDATA [5:4] BCD value for hour.
0 ~ 2
-
[3:0] 0 ~ 9 -