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STD SC139 Serial port
License: Public Domain
Mode: Editors' pick
Cloned from SC139 v1.0 Serial 68B50 for RC2014 low profile
- 1
Update time：
2021-10-11 10:23:09
Creation time：
2021-05-15 18:15:10
Description
SC139 v1.0.1 Serial 68B50 ACIA module for RC2014 low profile
The module has the following features:
* Classic 68B50 serial port
* Tight address decoding
* Address selection via jumpers
* Isolation of serial signals via jumpers
* Compatible with RC2014 bus
* Bi-directional hardware flow control
* Low profile RC2014 style design
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100k | R8,R7 | RES-0.3 | 2 |
| 2 | 2k2 | R4,R3,R2,R1 | RES-0.3 | 4 |
| 3 | 1k | R5 | RES-0.3 | 1 |
| 4 | 1M | R6 | RES-0.3 | 1 |
| 5 | 8x10k | RP1 | SIL-9 | 1 |
| 6 | RC2014 Male 40 | P1 | HDR-1X40-A-M-R-2.54MM | 1 |
| 7 | HDR_1x08_S_M | JPA2,JPA1 | HDR-1X08-S-M-2.54MM | 2 |
| 8 | 74HCT688 | U1 | PDIP-20 | 1 |
| 9 | 22pF | C4,C5 | CAP-RAD-2.54MM | 2 |
| 10 | 100nF | C3,C2,C1 | CAP-RAD-2.54MM | 3 |
| 11 | 7.3728MHz | X1 | HC-49S | 1 |
| 12 | Serial Port | P3 | HDR-1X06-S-M-2.54MM | 1 |
| 13 | HDR_1x06_S_M | P2 | HDR-1X06-S-M-2.54MM | 1 |
| 14 | 68B50 ACIA | U2 | PDIP-24-0.6 | 1 |
| 15 | TX | JP1 | HDR-1X02-S-M-2.54MM | 1 |
| 16 | RX | JP2 | HDR-1X02-S-M-2.54MM | 1 |
| 17 | CLK | JP3 | HDR-1X02-S-M-2.54MM | 1 |
| 18 | CLKX | JP4 | HDR-1X02-S-M-2.54MM | 1 |
| 19 | POWER | JP5 | HDR-1X02-S-M-2.54MM | 1 |
| 20 | 74HCT04 | U3 | PDIP-14 | 1 |
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