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| GMS90C3X Datasheet, PDF (47/59 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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GMS90 Series
ALE
PSEN
RD
PORT 0
PORT 2
tLHLL
tLLDV
tLLWL
tRLRH
tWHLH
tAVLL
tLLAX2
A0-A7 from
RI or DPL
tAVWL
tAVDV
tRLDV
tRLAZ
tRHDZ
tRHDX
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
tLHLL
tLLWL
tWLWH
tAVLL
tQVWX
tLLAX2
A0-A7 from
RI or DPL
tAVWL
tQVWH
DATA OUT
P2.0-P2.7 or A8-A15 from DPH
Figure 6. External Data Memory Write Cycle
tWHLH
tWHQX
A0-A7 from PCL
INSTR. IN
A8-A15 from PCH
Oct. 2000 Ver 3.1a
43
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