AM186ED Datasheet, PDF (35/88 Pages) Advanced Micro Devices – High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers

PRELIMINARY
t₁
t₂
t₃
t₄
Address
Data
Phase
Phase
CLKOUTA
A19–A0
Address
AD15–AD0
(Read)
AD15–AD0
(Write)
Data
Data
LCS, or UCS
or
MCSx, PCSx
Note: For a detailed description of DRAM control signals, see DRAM switching characteristics
beginning on page 70.
T _{Figure 5. 16-Bit Mode—Read and Write with Address Bus Disable In Effect}
A ^F _CLKOUTA
A19–A0
R _AD7–AD0
D^(Read)
t₁
t₂
t₃
t₄
Address
Data
Phase
Phase
Address
Address
Data
AD15–AD8
(Read or Write)
Address
AD7–AD0
(Write)
LCS or UCS
or
MCSx, PCSx
Address
Data
Figure 6. 8-Bit Mode—Normal Read and Write Operation
Am186ED/EDLV Microcontrollers
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