Conrol Slots (120-pins connectors)Except those marked as "PP" (Point to Poin), all signals in Control Slots are conneted into a Bus. Signals marked as CTL (Control) are not designated yet but they will as the design progresses.
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A B C
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1 GND GND GND
2 IR0 PP IR8
3 IR1 PP IR9
4 IR2 PP IR10
5 IR3 PP IR11
6 IR4 PP IR12
7 IR5 PP IR13
8 IR6 PP IR14
9 IR7 PP IR15
10 CTL CTL CTL
11 CTL CTL CTL
12 CTL CTL CTL
13 CTL CTL CTL
14 CTL CTL CTL
15 CTL CTL CTL
16 CTL CTL CTL
17 CTL CTL CTL
18 FLT CTL RST
19 CCS CTL CLK
20 CSZ CTL CS4
21 CSN CTL CS5
22 CSC CTL CS6
23 CSV CTL CS7
24 CTL CTL CTL
25 CTL CTL CTL
26 CTL CTL CTL
27 CTL CTL CTL
28 CTL CTL CTL
29 CTL CTL CTL
30 CTL CTL CTL
31 CTL CTL CTL
32 CTL CTL CTL
33 CTL CTL CTL
34 CTL CTL CTL
35 CTL CTL S1
36 CTL CTL S0
37 CTL CTL EOE
38 CTL CTL ET1
39 CTL CTL ET0
40 +5V +5V +5V
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Signals Descriptions:
IR0-15 Instruction Register Output
CCS Clear Conditional Status
CSZ Conditional Status Zero
CSN Conditional Status Negative
CSC Conditional Status Carry
CSV Conditional Status Overflow
CS4 Conditional Status 4 (Future)
CS5 Conditional Status 5 (Future)
CS6 Conditional Status 6 (Future)
CS7 Conditional Status 7 (Future)
S0, S1 Operational Status
ET0, ET1 Enconded Time (T1, T2, T3, T4)
RST System Reset
CLK System Clock
FLT Fault Condition
CTL Control Signals (Bus)
PP Control signals (Point-to-Point)
Encoded Time:
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ETT ET0 Time
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0 0 T1
0 1 T2
1 0 T3
1 1 T4
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Operational Status:
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S1 S0 Operational Status
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0 0 Halt
0 1 Fetch
1 0 Execute
1 1 Interrupt being negotiated
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Project start date: May 13 of 2009
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