OngoingJM001 Expansion RC80 Serial Card [v1.1] SIO/0 or /2 + CTC for SC126 V1.0
STDJM001 Expansion RC80 Serial Card [v1.1] SIO/0 or /2 + CTC for SC126 V1.0
License
：Public Domain
Description
This card may also work in the SC130. It supports BOTH SIO/2 and SIO/0 pin-bonded versions via jumpers.
This card requires software to set the baud rates via the CTC.
This car may also require modifications/enhancement to ROMwbw eco-system to enable CTC settings using the MODE.COM utility and support via the SIO driver.
V1.1 Added ability to populate either an SIO/0 or the SIO/2 variant
Final boards for v1.1 not manufactured, yet. Modifications Tested via prototype board v1.0. Ok for SIO/0 or SIO/2 operation.
UPDATE: Board works with RomWBW 3.1.pre.5 which will configure the CTC channels to feed the SIO device. MODE.COM is effective in this and later RomWBW builds for changing the baud rates, etc.
Design Drawing
BOM
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | INTEN | P4 | HDR-1X02-A-M-2.54MM OLD | 1 |
| 2 | 1.8432 MHz | X1 | OSC-08 | 1 |
| 3 | RC2014 Male 23 | P6 | HDR-1X23-S-M-2.54MM | 1 |
| 4 | Z80 SIO/2 or SIO/0 | U2 | PDIP-40-0.6 | 1 |
| 5 | 10k | R14,R13 | RES-0.3 | 2 |
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