Intel Microcontroller Manual Do Utilizador
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13-25
INTERFACING WITH EXTERNAL MEMORY
Figure 13-12. Timings for Multiplexed and Demultiplexed 8-bit Buses (8XC196NP)
CLKOUT
ALE
Address
A19:0
WR#
AD7:0
AD7:0
Data
Low Address
Data
Low Address
Data
Low Address
Demultiplexed
Multiplexed
AD15:8
RD#
Data
AD7:0
Data
WR#
AD7:0
Data
High Address
High Address
Address
Data
Low Address
Data
Data
A2471-02
RD#
Data
CLKOUT
ALE
AD15:8
High Address
High Address
Address
A19:16
Address
AD15:8
High Address
High Address