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8XC196MC, MD, MH USER’S MANUAL
15-32
Figure 15-22. System Bus Timing
XTAL1
CLKOUT
†
ALE/ADV#
RD#
WR#
BHE#, INST
T
XTAL1
T
XHCH
T
CHCL
T
CLCL
T
CLLH
T
LLCH
T
LHLH
T
LHLL
T
LLRL
T
RLRH
T
RHLH
T
RHDZ
T
AVLL
T
LLAX
T
RLDV
Address Out Data In
T
AVDV
T
LLWL
T
WLWH
T
WHLH
T
QVWH
T
WHQX
Data OutAddress Out Address Out
Valid
Address Out
T
WHBX
, T
RHBX
T
WHAX
, T
RHAX
T
RLAZ
AD15:0
(read)
AD15:0
(write)
AD15:8
(8-bit mode)
† The CLKOUT pin is available only on the 8XC196MC, MD.
A3166-01