Tandy 1000 SL Technical Reference Manual page 302

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L
H
L
L
-
-
H
O
H
1
Z
0
F
0
H
H
L
L
-
-
H
0
H i
Z
0
F
WCS
0+1
; v -
-
-
-
-
-
L
O
O
Z
Z
Z
0
L:
Logic l e v e l
0 (LOW)
R : COM
v o l t a g e ,
2 . 7 V ,
approx.
H :
Logic l e v e l 1
( H I G H )
P: P o s i t i v e p u l s e
Z :
High impedance
( O P E N )
N :
Negative p u l s e
Hi:
COM
v o l t a g e ,
1 1 . 5 V .
approx.
F: FALSE
(No p u l s e output)
L V : Low
v o l t a g e
(Table 2 0 3 ) Read w r i t e
L S I
c o n t r o l t a b l e
-
2 2 3
-

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