AMD Am186TMER ユーザーズマニュアル
System Overview
3-19
Figure 3-1
Am186ER Microcontroller Address Bus—Normal Read and Write Operation
Figure 3-2
Am186ER Microcontroller—Read and Write with Address Bus Disable In Effect
CLKOUTA
t
1
t
2
t
3
t
4
AD15–AD0
(Read)
(Read)
Data
AD15–AD0
(Write)
(Write)
LCS or UCS
Address
Data
Address
Address
Phase
Data
Phase
A19–A0
Address
MCSx, PCSx
CLKOUTA
t
1
t
2
t
3
t
4
AD15–AD0
(Write)
(Write)
Data
LCS, UCS
AD15–AD8
(Read)
(Read)
AD7–AD0
(Read)
(Read)
Address
Phase
Data
Data
Phase
Data
A19–A0
Address