CDP68HC68T1(1997) 데이터 시트보기 (PDF) - Intersil
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CDP68HC68T1 Datasheet PDF : 24 Pages
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CDP68HC68T1
Programmers Model - Clock Registers
HEX ADDRESS
20
21
22
23
24
25
26
31
32
DB7
WRITE/READ REGISTERS
DB0
TENS 0-5
UNITS 0-9
NAME
SECONDS (00-59)
TENS 0-5
UNITS 0-9
12
HR
24
X
PM/AM
TENS 0-2
UNITS 0-9
X X X XX
UNITS 1-7
TENS 0-3
UNITS 0-9
TENS 0-1
UNITS 0-9
MINUTES (00-59)
DB7, 1 = 12 HR., 0 = 24 HR.
DB = 1 PM, 0 = AM
HOURS (01-12 OR 00-23
DAY OF WK (01-07) SUNDAY = 1
DATE
DAY OF MONTH
01-28
29
30
31
MONTH (01-12) JAN = 1
DEC = 12
TENS 0-9
UNITS 0-9
YEARS (00-99)
7 6 543 2 10
CONTROL
7 6 543 2 10
INTERRUPT
WRITE ONLY REGISTERS
28
TENS 0-5
UNITS 0-9
ALARM SECONDS (00-59)
29
TENS 0-5
UNITS 0-9
ALARM MINUTES (00-59)
ALARM HOURS (01-12 OR 00-23)
2A
XX
PM/AM
TENS 0-2
UNITS 0-9
PLUS AM/PM IN 12 HR. MODE
PM = 1, AM = 0
READ ONLY REGISTERS
30
7 65
43 2
10
STATUS
BIT
7
6
5
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.
6
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