CDP68HC68T1W datasheet(6/24 Pages) INTERSIL

Part #	CDP68HC68T1W

Description	CMOS Serial Real-Time Clock With RAM and Power Sense/Control

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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6

Programmers Model - Clock Registers

NAME

WRITE/READ REGISTERS

HEX ADDRESS

TENS 0-5

12

HR

24

X

PM/AM

TENS 0-2

DB7

XX

X

TENS 0-3

TENS 0-1

TENS 0-9

UNITS 0-9

UNITS 1-7

UNITS 0-9

76

5

4

32

1

0

76

5

4

32

1

0

WRITE ONLY REGISTERS

TENS 0-5

UNITS 0-9

PM/AM

TENS 0-2

XX

76

5

4

3

2

1

0

DB0

SECONDS (00-59)

MINUTES (00-59)

DB7, 1 = 12 HR., 0 = 24 HR.

DB = 1 PM, 0 = AM

HOURS (01-12 OR 00-23

DATE

DAY OF MONTH

MONTH (01-12) JAN = 1

DEC = 12

YEARS (00-99)

CONTROL

INTERRUPT

ALARM SECONDS (00-59)

ALARM MINUTES (00-59)

ALARM HOURS (01-12 OR 00-23)

PLUS AM/PM IN 12 HR. MODE

PM = 1, AM = 0

READ ONLY REGISTERS

STATUS

76

5

4

3

2

1

0

BIT

HEX ADDRESS 00-1F

20

21

22

23

24

25

26

31

32

28

29

2A

30

RAM DATA BYTE

01-28

29

30

31

NOTE: X = Don’t care writes, X = 0 when read.

X

DAY OF WK (01-07) SUNDAY = 1

D7

D6

D5

D4

D3

D2

D1

D0

CDP68HC68T1

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CDP68HC68T1W Datasheet(PDF) 6 Page - Intersil Corporation

CDP68HC68T1W Datasheet(HTML) 6 Page - Intersil Corporation

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