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Figure 15-17 and Figure 15-18 show sample circuits that use address valid strobe mode. Figure
15-17 shows a simple 8-bit system with a single flash. It is configured for the address valid strobe
mode. This system configuration uses the ADV# signal as both the flash chip-select signal and
the address-latch signal.
RD#
AD14:8
8XC196
ADV#
AD7:0
Applies to the 8XC196KS, KT devices in bus timing modes 1 and 2 only.
A14:8
74AC
373
LE
LE
A7:0
74AC
373
Figure 15-17. 8-bit System with Flash
INTERFACING WITH EXTERNAL MEMORY
OE#
A14:8
32K×8
Flash
(28F256)
CS#
D7:0
A7:0
A3132-01
15-27
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