GMS90C320 Datasheet, PDF (41/46 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS90C320
ALE
PSEN
RD
PORT 0
PORT 2
tL H L L
t_{LLW L}
t_{L L D V}
t_{R L R H}
t_{W HLH}
t_{A V L L}
t_{L L A X 2}
A0-A7 from
RI or DPL
t_{AVW L}
t_{A V D V}
tR L D V
tR L A Z
t_{R H D X}
t_{R H D Z}
DATA IN
A0-A7 from PCL
INSTR. IN
P2.0-P2.7 or A8-A15 from DPH
A8-A15 from PCH
Figure 5 External Data Memory Read Cycle
ALE
PSEN
WR
PORT 0
PORT 2
t_{L H L L}
t_{LLW L}
t_{W LW H}
t_{A V L L}
t_{QVW X}
tL L A X
A0-A7 from
RI or DPL
tAVW L
tQVW H
DATA OUT
P2.0-P2.7 or A8-A15 from DPH
Figure 6 External Data Memory Write Cycle
tW HLH
t_{W HQX}
A0-A7 from PCL
INSTR. IN
A8-A15 from PCH
OCT. 2000 Ver 1.2
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