13-23
INTERFACING WITH EXTERNAL MEMORY
Figure 13-11. Timings for Multiplexed and Demultiplexed 16-bit Buses (8XC196NP)
CLKOUT
RD#
ALE
AD15:0
Address
Data
WR#
A19:0
AD15:0
RD#
WR#
AD15:0
AD15:0
Data
Address
Data
Data Address Data Address
Demultiplexed
Multiplexed
A2461-02
T
RLDV
T
AVDV
T
WLWH
T
QVWH
T
AVDV
T
QVWH
T
WLWH
T
RLDV
CLKOUT
ALE
Data
T
RHDZ
T
RHDZ
Address
A19:16