Sharp MZ-80B Owner's Manual page 87

80
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T2 Tw
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Ta Tl
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PORT ADDRESS
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IORQ
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Cycle
RD
DATA BUS
- - - - - -
r - - - - -
=-r-'C~
f - - - - -
- - -
-
- - - - -
r - - - - - -
r - - - - - -
- - - -
WAIT
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DATA BUS
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Cyc le
Tl
-
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AO - A7
X
IORQ
DATA BUS
RD
-- - - - -
- -
- - - -
DATA BUS
WR
INPUT OR OUTPUT CYCLES
FIGURE 3.0-3
*
T2 T w
T w
~ ~
~
PORT ADDRESS
I
I
r - - - - -
-_\.__J~= ;_]-\_~-=
- - - - -
OUT
I
Ta
iL--
I
IN
I
- - - - -
- - - - -
I
*
Automatically inserted WAIT state
INPUT OR OUTPUT CYCLES WITH WAIT STATES
FIGURE 3.0-3A
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X
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READ
CYC LE
r - - - -
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WRITE
CYCLE