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STD SC102 v1.1 Z80 CTC for RC2014
SC102 v1.1 Z80 CTC for RC2014
License
Public Domain
License: Public DomainMode:
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Update time：
2021-10-11 10:22:12
Creation time：
2018-06-22 19:37:59
Description
Description
SC102 v1.1 (www.scc.me.uk)
Z80 Counter/Timer Channels (CTC) module for RC2014
Features:
- Full Z80 mode 2 interrupt support (IEI/IEO daisy-chain)
- Software control of the baud rate for SIO port B
- Timer and clock tick interrupt
- Source of bus clock (option) to potentially reduce board count
- On-board clock option to make it independent of the CPU clock
- Interrupt mode 2 converter for up to 4 devices
Documentation at [www.scc.me.uk](http://www.scc.me.uk)
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | CTCIO | P3 | HDR-1X10-A-M-2.54MM | 1 |
| 2 | RC2014 Male 23 | P1A | HDR-1X23-S-M-2.54MM | 1 |
| 3 | Z80 CTC | U2 | PDIP-28-0.6 | 1 |
| 4 | 470k | R1,R2,R3,R4 | RES-0.3 | 4 |
| 5 | 8x10k | RP1 | SIL-9 | 1 |
| 6 | 74HCT688 | U1 | PDIP-20 | 1 |
| 7 | 100nF | C1,C2,C3,C4 | CAP-RAD-2.54MM | 4 |
| 8 | CLK2 | JP7 | HDR-2X04-S-M-2.54MM | 1 |
| 9 | CT3 | JP6 | HDR-2X04-S-M-2.54MM | 1 |
| 10 | CT0 | JP3 | HDR-2X04-S-M-2.54MM | 1 |
| 11 | CT1 | JP4 | HDR-2X04-S-M-2.54MM | 1 |
| 12 | CT2 | JP5 | HDR-2X04-S-M-2.54MM | 1 |
| 13 | ADDRESS | SW1 | SW-DIP-X6-PIANO | 1 |
| 14 | INTEN | P2 | HDR-1X02-A-M-2.54MM | 1 |
| 15 | CLKX | X1 | PDIP-08/14 | 1 |
| 16 | IEI | JP1 | HDR-1X02-S-M-2.54MM | 1 |
| 17 | IEO | JP2 | HDR-1X02-S-M-2.54MM | 1 |
| 18 | RC2014 BUS | P1 | HDR-1X39-A-M-R-2.54MM | 1 |
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