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Tandy 1400LT - Page 190

Tandy 1400LT
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Gate Arrays
Pin
Out (Gate 3, Gate
4)
I19
lXD7CRT
SWITCH
IO
I1
I2
I22
I23
I3
IS
I4
IE
I7
IE
I9
I10
Ill
112
124
I13
I14
I15
116
22 ~117
Ag
L7
ADL-IOOSP4
I=)
~
c7
CHCNG
D
(1.
3.
4. 5.
14
17)
(‘I)
(I.
4.
4
11.
14
16. 17) 24 125
(
23
I18
I)
25
021
020
E10
BII
E12
E13
oi
02
03
04
05
06
07
08
09
010
011
012
013
014
015
016
017
ole
019
GATE
3
IO
I1
I2
14
En70
sBIxI7
(I4)
I3
~I5
KO10
(I2) I6
I7
18
EA0
5
(2
3.
4)
EIHO
(2
4)
4.b
14)
4.
E,
14)
SA1
[=1
~
(12)
KD4 I9
KDtl
110
KD6
Ill
KO7 112
STATUS
I13
BRST
114
RmJm
I15
KEYSW 116
KP21 I17
KCONI
I18
PFiCLK I19
T/2OUT I20
CPWIWY I21
IOREADY
I22
CPUIMlWY
07
08
09
010
011
I23
I25
124
126
E10
E1
1
E12
E13
814
E15
E16
E17
00
01
02
03
04
05
06
GATE
4
NO.
15
7-15

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