Oki MSM85C154HVS - Page 231

MSM80C154/83C154/85C154
224
External data memory read cycle
External data memory write cycle
tLHLL
tLLDV
tLLWL tRLRH
tAVLL tRHDX
tRHDZ
tAVDV
A0~A7
RrorDPL
DATA IN
PORT 0
P2.0~P2.7 DATA or A8~A15 PCH A8~A15 PCH
PORT 2
ALE
PSEN
A8~A15 PCHPCH
A0~A7
PCL
INSTR
IN
A0~A7
PCL
tLLAX
tAVWL
tAZRL
tRLDV
RD
tWHLH
tLHLL
tLLWL tWLWH
tAVLL
tWHQX
A0~A7
RrorDPL
DATA IN
PORT 0
P2.0~P2.7 DATA or A8~A15 PCH A8~A15 PCH
PORT 2
ALE
PSEN
A8~A15 PCH
A8~A15
PCH
A0~A7
PCL
INSTR
IN
A0~A7
PCL
tLLAX
tAVWL
tQVWX
tQVWH
WR
tWHLH