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S3C2410A REAL TIME CLOCK (RTC)
17-9
RTC ROUND RESET (RTCRST) REGISTER
Register Address R/W Description Reset Value
RTCRST 0x5700006C(L)
0x5700006F(B)
R/W
(by byte)
RTC round reset register 0x0
RTCRST Bit Description Initial State
SRSTEN [3] Round second reset enable.
0 = Disable, 1 = Enable
0
SECCR [2:0] Round boundary for second carry generation.
011 = over than 30 sec
100 = over than 40 sec
101 = over than 50 sec
NOTE: If other values (0, 1, 2, 6, or 7) are set, no second carry is
generated. But second value can be reset.
000
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 -