15-15
INTERFACING WITH EXTERNAL MEMORY
Figure 15-6. Timings for 16-bit Buses
XTAL1
CLKOUT
†
ALE
BUSWIDTH
AD15:0
(read)
RD#
INST
AD15:0
(write)
WR#
Address Out
Data Out
Data In
Address Out
Valid
Valid
A3163-01
† The CLKOUT pin is available only on the 8XC196MC, MD.