Data Slots (96-pins connectors)- - - - - - - - - - - - - -
A B C
- - - - - - - - - - - - - -
1 GND GND GND
2 D0 CTL D8
3 D1 CTL D9
4 D2 CTL D10
5 D3 CTL D11
6 D4 CTL D12
7 D5 CTL D13
8 D6 CTL D14
9 D7 CTL D15
10 L0 L16 L8
11 L1 L17 L9
12 L2 L18 L10
13 L3 L19 L11
14 L4 L20 L12
15 L5 L21 L13
16 L6 CTL L14
17 L7 CTL L15
18 FLT CTL RST
19 CTL CTL CLK
20 SCSZ CTL SCS4
21 SCSN CTL SCS5
22 SCSC CTL SCS6
23 SCSV CTL SCS7
24 A7 CTL A15
25 A6 CTL A14
26 A5 CTL A13
27 A4 CTL A12
28 A3 CTL A11
29 A2 CTL A10
30 A1 CTL A9
31 A0 CTL A8
32 +5V +5V +5V
- - - - - - - - - - - - - -
Signals Descriptions:
DO-15 Internal Data Bus
A0-15 Internal Address Bus
L0-21 Internal Lamps Bus
SCSZ Set Conditional Status Zero
SCSN Set Conditional Status Negative
SCSC Set Conditional Status Carry
SCSV Set Conditional Status Overflow
SCS4 Set Conditional Status 4 (Future)
SCS5 Set Conditional Status 5 (Future)
SCS6 Set Conditional Status 6 (Future)
SCS7 Set Conditional Status 7 (Future)
RST System Reset
CLK System Clock
FLT Fault Condition
CTL Control Signals (Point-to-Point)
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David Brooks, the designer of the Simplex-III homebrew computer, has founded the Homebuilt CPUs Web Ring. To join, drop David a line, mentioning your page's URL. He will then add it to the list.
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Project start date: May 13 of 2009
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