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Radio Shack CCR-81 Reference Handbook

Radio Shack CCR-81
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-------1
.---
A7
A6
24
PIN
24
'
A8
2
23
A5
103
DIP
22
A9
A41
HEADER
I
A3
4
FOR
21
I
A?
Z33
OR
~O
,
'AIO
...,6
A'
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Z34
18
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8
17
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rr~o
J I
15
~
MD5
M02
II
MD4
14
I
12
13~
L
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___
..1
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vee
24
2
A6
A8
23
3
A5
A7
22
4
A4
es
21
5
20
A3
cs
6 A2
AIO
19
7
AI
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All
18
8
AO
08
17
9
01
07
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06
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~
03
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14
~
GND
ROM
A
04~
.I-
I A7
vee
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+T
T
2 A6
A8
23
3 A5
22
A9
4
A4
es
21
5 A3
es
20
6 A2
AIO
19
7
AI
Z2
All
18
8
AO
17
9
~~
16
01
10
02
06
15
~
03
05
14
~
GND
ROM
B
04~
vee
241
I A7
2
A6
A8
23
~
A5
22
RI
A9
4.7K
5
A4
es
21
A3
es
20
6 A2
23
AIO
19
7
18
AI
All
8
AO
08
17
9
01
07
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10
02
06
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I----'-'-
03
05
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(
GND
12
GND
04
~
ROM
e
r
All
8
GND
0
I
I
2
15
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30;
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:r
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l(
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rT
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~
~
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8
10
(
+5V
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vee
9
II
PADS FOR
CONDUCTOR
RIBBON CABLE
Figure
26.
Level
II
BASIC
Schematic
Diagram
(for CPU Boards, Level II
ROM
- Alternate Version)
107

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Radio Shack CCR-81 Specifications

General IconGeneral
BrandRadio Shack
ModelCCR-81
CategoryDesktop
LanguageEnglish

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