CDP68HC68T1 데이터 시트보기 (PDF) - Renesas Electronics

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CDP68HC68T1

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

Renesas Electronics 

CDP68HC68T1

Programmers Model - Clock Registers

HEX ADDRESS

20

21

22

23

24

25

26

31

32

DB7

WRITE/READ REGISTERS

DB0

TENS 0 TO 5

UNITS 0 TO 9

NAME

SECONDS (00 TO 59)

TENS 0 TO 5

UNITS 0 TO 9

12

HR

24

X

PM/AM

TENS 0 TO 2

UNITS 0 TO 9

X X X X X UNITS 1 TO 7

TENS 0 TO 3

UNITS 0 TO 9

TENS 0 TO 1

UNITS 0 TO 9

MINUTES (00 TO 59)

DB7, 1 = 12 HR, 0 = 24 HR

DB = 1 PM, 0 = AM

HOURS (01 TO 12 OR 00 TO 23

DAY OF WK (01 TO 07) SUNDAY = 1

DATE

DAY OF MONTH

01 TO 28

29

30

31

MONTH (01 TO 12) JAN = 1

DEC = 12

TENS 0 TO 9

UNITS 0 TO 9

YEARS (00 TO 99)

7 6 543 2 10

CONTROL

7 6 543 2 10

INTERRUPT

WRITE ONLY REGISTERS

28

TENS 0 TO 5

UNITS 0 TO 9

ALARM SECONDS (00 TO 59)

29

TENS 0 TO 5

UNITS 0 TO 9

ALARM MINUTES (00 TO 59)

ALARM HOURS (01 TO 12 OR 00 TO 23)

2A

X

X

PM/AM

TENS 0 TO 2

UNITS 0 TO 9

PLUS AM/PM IN 12 HR MODE

PM = 1, AM = 0

READ ONLY REGISTERS

30

7 65

43 2

1

0

STATUS

7

6

5 BIT 4

3

2

1

0

D7

D6

D5

D4

D3

D2

D1

D0

RAM DATA BYTE

HEX ADDRESS 00-1F

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

FN1547 Rev 9.00

Decemember 8, 2015

Page 7 of 24

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