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STD SC705 v1.0 Serial ACIA
Profile：SC705 v1.0 Serial ACIA for RCBus
License: Public Domain
Description
SC705 v1.0 (www.scc.me.uk)
Serial ACIA module for RCBus
Documentation at www.scc.me.uk (small computer central)
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100nF | C1,C2,C3,C4 | CAP-RAD-2.54MM | 4 |
| 2 | 22pF | C6,C7 | CAP-RAD-2.54MM | 2 |
| 3 | Jumper_8X2 | JP1 | HDR-2X08-S-M-2.54MM | 1 |
| 4 | POWER | JP2 | HDR-1X02-S-M-2.54MM | 1 |
| 5 | INTERRUPT | JP3 | HDR-2X03-S-M-2.54MM | 1 |
| 6 | Clock source | JP4 | HDR-1X04-S-M-2.54MM | 1 |
| 7 | E_SRC | JP5 | HDR-1X03-S-M-2.54MM | 1 |
| 8 | RW_SRC | JP6 | HDR-1X03-S-M-2.54MM | 1 |
| 9 | RXD | JP7 | HDR-1X04-S-M-2.54MM | 1 |
| 10 | TXD | JP8 | HDR-1X04-S-M-2.54MM | 1 |
| 11 | LED-3MM | LED1,LED2 | LED-3MM/2.54 | 2 |
| 12 | RCBUS-80 MALE | P1 | RCBUS-80-HDR-2X40-A-M-R-2.54MM | 1 |
| 13 | HDR_1x06_S_M | P2 | HDR-1X06-S-M-2.54MM | 1 |
| 14 | 2k2 | R1,R2,R3,R4 | RES-0.3 | 4 |
| 15 | 100k | R5,R6 | RES-0.3 | 2 |
| 16 | 1M | R7 | RES-0.3 | 1 |
| 17 | 1k | R8,R9,R10 | RES-0.3 | 3 |
| 18 | 8x100k | RP1 | SIL-9 | 1 |
| 19 | Serial Port | S1 | HDR-1X06-S-M-2.54MM | 1 |
| 20 | 74HCT688 | U1 | PDIP-20 | 1 |
| 21 | 68B50 ACIA | U2 | PDIP-24-0.6 | 1 |
| 22 | 7.3728MHz | X1 | HC-49S | 1 |
| 23 | 74HCT04 | U3 | PDIP-14 | 1 |
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