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APPENDIX 2. IS-100 BUS SIGNALS
PIN
it
1
2
3
4
5
6
7
8
9
10
11
04
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
SIGNAL
+8 VOLTS
+16 VOLTS
XRDY
VI0/
VII/
VI2/
VI3/
VI4/
VI5/
VI6/
VI7/
NMI/
STA-DSBL/
CC-DSBL/
GROUND (option 1
SS
ADDR-DSBL/
DO-DSBL/
PHI 2
PHI 1
PHLDA
PWAIT
PINTE
A5
A4
A3
A15
A12
A9
DOl
000
A10
D04
D05
D06
DI2
DI3
DI7
SMI
SOUT
SINP
SMEMR
SHLTA
2MHZ CLOCK/
GROUND
PIN #
51
52
53
54
55
56
57
58
59
60
61
62
_ 63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
SIGNAL
+8 VOLTS
-16 VOLTS
SSW-DSBL/
EXT-CLR/
GROUND (optional)
PMREQ/
PRFSH/
PHANTOM/
MWRITE
PSI
GROUND (optional)
RUN
PRDY
PINT/
PHOLD/
PRESET/
PSYNC
PWR/
PDBIN
A0
Al
A2
A6
A7
A8
Al3
Al4
All
D02
D03
D07
DI4
DI5
DI6
DII
DI0
SINTA
SWO/
SSTACK
POC/
GROUND
-
,
1
29
Nor th Star
Iz
80A
-~--~+.4h
. . .
PROCESSOR BOARD
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