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STD SC108 v1.0 Z80 Processor for RC2014
Project Status:
Ongoing
License: Public Domain
- 7
Description
SC108 v1.0 (www.scc.me.uk)
Z80 Processor module for RC2014
Features:
- Z80 CPU
- 128k bytes RAM (second 64k not easy to use!)
- 32k bytes ROM
- Oscillator 7.3728 MHz
- Reset (using DS1233-5)
- Software compatible with standard RC2014 modules
- Runs Small Computer Monitor v1.0 configuration R3
- Add serial module (SIO or 68B50) for Monitor and BASIC
- Add Compact Flash module for CP/M
- Indicator to show if ROM or RAM is paged in
Documentation and firmware at [www.scc.me.uk](http://www.scc.me.uk)
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Mounted |
|---|---|---|---|---|---|
| 1 | 10k | R1,R2,R3,R4 | AXIAL-0.3 | 4 | Yes |
| 2 | RC2014 Male 39 | P1 | HDR-1X39-A-M-R-2.54MM | 1 | Yes |
| 3 | RC2014 Male 10 | P1A | HDR-1X10-S-M-2.54MM | 1 | Yes |
| 4 | 100nF | C1,C2,C3,C4,C5 | CAP-RAD-2.54MM | 5 | Yes |
| 5 | 470R | R5 | AXIAL-0.3 | 1 | Yes |
| 6 | GRN-3MM | LED1 | LED-3MM/2.54 | 1 | Yes |
| 7 | 7.3728MHz | X1 | OSC-08 | 1 | Yes |
| 8 | 1nF | C6 | CAP-RAD-2.54MM | 1 | Yes |
| 9 | DS1233-5+ | U7 | TO92 | 1 | Yes |
| 10 | Z80 CPU | U1 | PDIP-40-0.6 | 1 | Yes |
| 11 | 74HCT138 | U5 | PDIP-16 | 1 | Yes |
| 12 | EPROM 27C256 | U3 | PDIP-28-0.6 | 1 | Yes |
| 13 | RAM 128k | U2 | PDIP-32-0.6 | 1 | Yes |
| 14 | 74HCT4075 | U4 | PDIP-14 | 1 | Yes |
| 15 | 74HCT74 | U6 | PDIP-14 | 1 | Yes |
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