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INTERFACING WITH EXTERNAL MEMORY
Figure 13-20. Multiplexed System Bus Timing (8XC196NP)
CLKOUT
ALE
RD#
AD15:0
(read)
WR#
AD15:0
(write)
BHE#,
INST
AD15:8
T
CLCL
Address Out Data
Data OutAddress Out
Address Out
T
CHCL
T
LHLL
Valid
A2367-05
T
CLLH
T
RLCL
T
LLCH
T
LHLH
T
LLRL
T
RLRH
T
RHLH
T
AVLL
T
LLAX
T
RLDV
T
RHDZ
T
RLAZ
Address Out
T
AVDV
T
LLWL
T
WLWH
T
WHLH
T
QVWH
T
WHQX
T
RHBX
T
WHBX
T
RHAX
T
WHAX
T
SLDV
A19:16
CS
x
#
Address Out
T
WHSH
T
RHSH