Bus Timing Modes (8Xc196Ks, Kt Only) - Intel 8XC196K Series User Manual

8XC196K x , J x , CA USER'S MANUAL
V CC
BUSWIDTH
AD15:8
ADV#
8XC196
AD7:0
WRH#
WRL#

15.7 BUS TIMING MODES (8XC196KS, KT ONLY)

The 8XC196KS, KT devices have selectable bus timing modes controlled by the MSEL0 and
MSEL1 bits (bits 6 and 7) of CCR1. Figure 15-2 on page 15-7 defines these bit settings. The re-
mainder of this section describes each mode. Figure 15-21 illustrates the modes together and Ta-
ble 15-6 summarizes the differences in their timings.
15-30
A13:8
74AC
A12:7
373
LE
D15:8
LE
A7:1
74AC
A6:0
373
Figure 15-20. 16-bit System with RAM
CS#
A12:7
D7:0
8K×8
RAM
(High)
A6:0
WE#
CS#
8K×8
RAM
(Low)
WE#
A3097-01