Figure 8-1. “MOVX @DPTR,A” without Stretch
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2
3
4
5
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7
System
Clock
P2
P0
ALE
/WR
(P3.6)
Weak
Pulled Up
High-byte Address
Weak
Pulled Up
Low-byte Addr.
Data
MOVX Write Cycle
{ALES1,ALES0}={0,0} & {RWS2,RWS1,RWS0}={0,0,0}
Figure 8-2. “MOVX @DPTR,A” with Stretch
1
2
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5
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10
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System
Clock
P2
P0
ALE
/WR
(P3.6)
Weak
Pulled Up
High-byte Address
Weak
Pulled Up
Low-byte Address
Data
Stretched
Setup-time:
2 Clocks
Stretched
Hold-time:
2 Clocks
Stretched
Write-pulse:
3 Clocks
MOVX Write Cycle
{ALES1,ALES0}={1,0} & {RWS2,RWS1,RWS0}={0,1,1}
33
MPC82G516A Data Sheet
MEGAWIN