Intel 8XC196K Series User Manual page 384

XTAL 1
T
CHCL
CLKOUT
T
CHLH
ALE/ADV#
RD#
Bus Read
AD15:0
8- and 16-bit
Bus Mode
WR#
Bus Write
AD15:0
8- and 16-bit
Bus Mode
BHE#
AD15:0
INST
T
OSC
T
CLCL
T
CLLL
T
LHLL
T
LLRL
T T
AVLL LLAX
Address
T
AVDV
T
LLWL
Address Out
BHE Valid
AD15:8 Valid 8-bit Bus Mode
INST Valid
Figure 15-23. Mode 2 System Bus Timing
INTERFACING WITH EXTERNAL MEMORY
T
LHLH
T
RLRH
T
RLDV
T
RLAZ
Data In D15:0
T
WLWH
T
QVWH
Data Out
T
XHCH
T
RHLH
T
RHDZ
T
WHQX
T , T
WHBX RHBX
T , T
WHAX RHAX
T , T
WHIX RHIX
A3099-01
15-35