SD60C31 Datasheet, PDF (9/12 Pages) AUK corp – CMOS SINGLE-COMPONENT 8-BIT MICROCOMPUTER

Timing Diagram
SD60C31/P SD60C51/P
ALE
PSEN
PORT0
PORT2
tLHLL
tAVLL
tLLAX
tLLPL
tLLIV
tPLPH
tPLIV
tPLAZ
tPXIX
tPXIZ
A0 - A7
INSTR IN
tAVIV
A0 - A15
A0 - A7
A8 - A15
Figure 1. External Program Memory Read Cycle
ALE
PSEN
RD
PORT0
PORT2
tLLDV
tLLWL
tRLRH
tAVLL
tLLAX
A0 - A7
FROM RI OR DPL
tAVWL
tAVDV
tRLDV
tRLAX
tRHDX
DATA IN
P2.0 - P2.7 OR A8 - A15 FROM DPH
tWHLH
tRHDZ
A0 - A7 FROM PCL
INSTR IN
A0 - A15 FROM PCH
Figure 2. External Data Memory Read Cycle
KSI-W001-000
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