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T
1
ø
A
to A
19
0
AS
RD (read)
D
to D
7
0
(read)
WR (write)
D
to D
7
0
(write)
WAIT
Figure 17-6 Basic Bus Cycle: Three-State Access with One Wait State
T
T
2
W
t
t
t
WTS
t
WTS
WTH
WTH
441
T
3
