IC80C54-24PL 데이터 시트보기 (PDF) - Integrated Circuit Solution Inc
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IC80C54-24PL Datasheet PDF : 22 Pages
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IC80C54
IC80C58
TIMING WAVEFORMS
ALE
PSEN
PORT 0
PORT 2
tLHLL
tLLPL
tAVLL
tPLPH
tPLIV
tLLAX
tPLAZ
tPXIX
A7-A0
INSTR IN
tLLIV
tAVIV
A15-A8
tPXIZ
A7-A0
A15-A8
Figure 17. External Program Memory Read Cycle
ALE
PSEN
RD
PORT 0
PORT 2
tLLDV
tLLWL
tWHLH
tRLRH
tAVLL
tRLAZ
tLLAX
tRLDV tRHDX
A7-A0 FROM RI OR DPL
DATA IN
tAVWL
tAVDV
A15-A8 FROM DPH
tRHDZ
A7-A0 FROM PCL
INSTR IN
A15-A8 FROM PCH
Figure 18. External Data Memory Read Cycle
18
Integrated Circuit Solution Inc.
MC003-0B
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