DS2252T-128-16 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS2252T-128-16 Datasheet PDF : 14 Pages
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DS2252T
EXPANDED DATA MEMORY READ CYCLE
2
ALE
RD
PORT 0
19
21
14
16
3
4
26
A7–A0
(Rn OR DPL)
22
20
27
18
17
DATA IN
PORT 2
P2.7–P2.0 OR A15–A8 FROM DPH
A7–A0
(PCL)
INSTR
IN
A15–A8 FROM PCH
EXPANDED DATA MEMORY WRITE CYCLE
ALE
WR
PORT 0
PORT 2
21
15
23
3
4
A7–A0
(Rn OR DPL)
22
24
DATA OUT
P2.7–P2.0 OR A15–A8 FROM DPH
27
25
A7–A0
(PCL)
INSTR
IN
A15–A8 FROM PCH
121395 10/14
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