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STD SC143 ROM module
Profile：SC143 v1.0 ROM module for RC2014 low profile
License: Public Domain
Description
SC143 v1.0 ROM module for RC2014 low profile
The module has the following features:
- 128k byte FLASH memory
- Divided into four 32k byte banks
- Bank selected by jumpers
- Includes SCM and BASIC in one bank
- Three spare banks for alternative firmware
- Write protect jumper for FLASH memory
- Compatible with RC2014-Z80 bus
- Low profile form factor
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Bank A | JP1 | HDR-1X03-S-M-2.54MM | 1 |
| 2 | Bank B | JP2 | HDR-1X03-S-M-2.54MM | 1 |
| 3 | FLASH Write protect/enable | JP3 | HDR-1X03-S-M-2.54MM | 1 |
| 4 | RC2014 Bus | P1 | HDR-1X40-A-M-R-2.54MM | 1 |
| 5 | 100nF | C1,C2 | CAP-RAD-2.54MM | 2 |
| 6 | FLASH 128k | U1 | PDIP-32-0.6 | 1 |
| 7 | 74HCT32 | U2 | PDIP-14 | 1 |
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