Справочник Пользователя для AMD Am188TMER
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System Overview
3-20
Figure 3-3
Am188ER Microcontroller Address Bus—Normal Read and Write Operation
Figure 3-4
Am188ER Microcontroller—Read and Write with Address Bus Disable In Effect
CLKOUTA
t
1
t
2
t
3
t
4
AD7–AD0
(Read)
(Read)
Data
AO15–AO8
(Read or Write)
(Read or Write)
AD7–AD0
(Write)
(Write)
Address
Address
Data
Address
Address
Phase
Data
Phase
A19–A0
Address
LCS or UCS
MCSx, PCSx
CLKOUTA
t
1
t
2
t
3
t
4
AD7–AD0
(Read)
(Read)
Data
Address
AO15–AO8
LCS, UCS
AD7–AD0
(Write)
(Write)
Data
Address
Phase
Data
Phase
A19–A0
Address