Figures for 1200XL Keyboard Project
Figure 1. 1200XL Keyboard bottom view
(Top chip is A1, bottom chip is A2.)
1200XL 400 800 600XL 800XL 130XE
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A1 Z102 Z103 U22 U24 U24
A2 Z101 Z104 U23 U25 U25
Figure 2.
600XL 65XE
1200XL 400 800 800XL 130XE
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A1-14 1 1 1 13
A1-1 2 2 2 14
A1-2 3 3 3 12
A1-15 4 4 4 15
A1-4 5 5 5 7
A1-13 6 6 6 18
A1-12 7 7 7 5
A1-5 8 8 8 6
K-1 9 9 9 20
A2-1 10 10 10 19
A2-2 11 11 11 4
A2-15 12 12 12 8
A2-4 13 13 13 9
A2-5 14 14 14 10
A2-14 15 15 15 11
A2-13 16 16 16 17
A2-12 17 17 17 16
K-10 18 J114-1 23 24
K-13 19 J114-3 21 23
K-12 20 J114-2 22 22
K-11 21 J114-4 20 21
K-14 22 GND 18 3
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A1-x = Chip A1, Pin x
A2-x = Chip A2, Pin x
K-x = Keyboard Pin x
Figure 3.
1200XL KB Side Comp Side 400 800
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A1-14 1 1,Z 1 1
A1-1 2 2,Y 2 2
A1-2 3 3,X 3 3
A1-15 4 4,W 4 4
A1-4 5 5,V 5 5
A1-13 6 6,U 6 6
A1-12 7 7,T 7 7
A1-5 8 8,S 8 8
K-1 9 9,R 9 9
A2-1 10 10,P 10 10
A2-2 11 11,N 11 11
A2-15 12 12,M 12 12
A2-4 13 13,L 13 13
A2-5 14 14,K 14 14
A2-14 15 15,J 15 15
A2-13 16 16,H 16 16
A2-12 17 17,F 17 17
K-10 18 18,E 18 J114-1
K-13 19 19,D 19 J114-3
K-12 20 20,C 20 J114-2
K-11 21 21,B 21 J114-4
K-14 22 22,A 22 GND
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A1-x = Chip A1, Pin x
A2-x = Chip A2, Pin x
K-x = Keyboard Pin x
Figure 4.
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Figure 5.
Figure 6.
Figure 7.
Figure 8.
Source/
1200XL Function
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1 CTRL/SHIFT/
BREAK
2 NC
3 A2-3
4 A2-11
5 A2-10
6 A2-9
7 A1-11
8 A1-10
9 A1-9
10 RESET
11 START
12 SELECT
13 OPTION
14 GND
15 +5V
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Figure 9 - Misc. Diagrams
Instructions...