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Samsung S3C2440A User Manual

Page 430

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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

-