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INTERFACING WITH EXTERNAL MEMORY
Figure 13-22. Demultiplexed System Bus Timing (8XC196NP)
CLKOUT
ALE
RD#
AD15:0
(read)
WR#
AD15:0
(write)
BHE#,
INST
A19:0
CS
x
#
T
CLCL
Valid
Valid
Address Out
T
CHCL
T
LHLL
Valid
A2368-05
T
CLLH
T
CLDV
T
LLCH
T
LHLH
T
RLCH
T
RLRH
T
RHLH
T
RLDV
T
RHDZ
T
AVDV
T
WLCH
T
WLWH
T
WHLH
T
QVWH
T
WHQX
T
RHBX
T
WHBX
T
RHAX
T
WHAX
T
CHWH
Address