Tandy 1400LT Service Manual page 189

Gate Arrays Pin Out (Gate 1, Gate 2)
A 1
a
[ i. 3.4.5.7.
e.
i t . i 6 . m i
A 2
CI)
A 3
D
(i. 3 . 4 5.
e.
ii. 17) 3
A 4 0 (1. 3 , 4 5. 11. 17) 4
(1. 3. 4. 5. 7.
8.
11, 16.
i n
2
A 5 5 (1.3. 4 5. 11. 17) 5
A 6
a
[
I. 3. 4, 6. 11, 17)
6
A 7
c 1 ) (
1 . 3 . 4 4 1 1 . 17) 7
e
AB
0
(
AI0 D
(
I. 3 . 4 5. 11. 17) 10
nr
D l i .
w D (
1 .
3.
4.5. 15. 17)
A 9
0
( 1.3. 4. 5. 15. 17)
Q
3 .
A
6.
7. 8. 13. 19. 16)
11
12
13
14
15
16
4.
e,
16) 17
i. 4. 5, ii.
ia
16.17)
m T I l l I s c T D
- I 7
CPUIOAWY
E t
(i.i5)
m a
(2
s u n
(
5x17
(
memo
(
mX[j
( 1 )
22
B R S T D [
BRA=
( 4.
e)
ie
1 . 2) 19
I, 2) 20
4. 17) 21
4) 23
2 4.5. 7. 12. 16) 24
H I A 0
(
BCLK
:0
:1
:2
:3
:4
;5
:Q
:10
[ I 1
112
1 7
L 6
[e
[I3
[ 14
[
15
t 16
t 17
tie
t 19
t20
t21
t n
I23
t 24
i"
0.luF
l : T J
,
GATE i
*
ADL-100sP10
DIP SWITCH
B I O Do
B11 Dl
B12 D 2
B13 D3
814 D 4
B15 06
B16 L M
B17 07
00
PDO
01
PD
1
02 P D 2
03 PD3
04 p04
05 PD5
06
PD6
07 P D 7
OB 1r07
GATE 2
oie
09
010
m l x T
011
43 1131
am
012
a -
3 F c F T
1m3u
-
014
015
4 0
17 16
-
lxsz
oie
3 9
17 16
017 m35E
019
-
DRO
020
-
vmucsu
5 v m l x r
022
-
Emu
95
( 1
Mi
33
1
I
1
*
NO. 14
7-14