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lynchaj
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
| Reference | Value | Description |
|---|---|---|
| U1,U15 | GAL22V10 | |
| U2,U4 | 74LS244 | |
| U3 | 74LS245 | |
| U5,U24 | 74LS688 | |
| U6 | 2CTC-PLCC-44 | Z8430 Zilog CTC |
| U7 | 1CTC-PLCC-44 | Z8430 Zilog CTC |
| U8 | BASE CLOCK | |
| U9 |
| Z80 CMOS SIO/3 Z84C43 Zilog |
| U10,U11 | MAX232 |
|---|
| U12 | 74LS393 |
|---|
| U13 | 74LS09 |
|---|
| U14 | 2PIO-PLCC-44 |
|---|
| U17 | 74LS191 |
|---|
| U18 | 1PIO-PLCC-44 |
|---|
| U20 | 74LS07 |
|---|
| U21 | GAL16V8 |
|---|
| C1-C9,C12-C26,C28-C31 | 0.1u |
|---|
| C10,C11,C27 | 10u |
|---|
| D1-D3,D5 | LED |
|---|
| H1-H4 | MountingHole |
|---|
| J1 | AUX TIMER |
|---|
| J2 | TTLSERPWR |
|---|
| J3 | AUX INT A |
|---|
| J4 | AUX INT B |
|---|
| J5,J6 | DIL14 |
|---|
| J7,J8 | DIL16 |
|---|
| J9,J10 | DIL20 |
|---|
| J11 | RESET SEL |
|---|
| JP1,JP2 | IO PORT ADDR |
|---|
| JP3 | IA WS |
|---|
| JP4 | WAIT EN |
|---|
| P1-P3 | CONN_02X25 |
|---|
| P4 | TIMER2 |
|---|
| P5 | DCDB GND |
|---|
| P6 | RxTxCB |
|---|
| P7 | INT0 EN |
|---|
| P8 | MAX CLK |
|---|
| P9 | BYPASS |
|---|
| P10 | TIMER3 |
|---|
| R5,R11 | 4700 |
|---|
| R10 | 2200 |
|---|
| RN1-RN3 | 10K |
|---|
| RN4 | 470 |
|---|
| X1 | PIO-1 |
|---|
| X2 | PIO-2 |
|---|
| X3 | RS-232 B |
|---|
| X4 | SIO-CTC_TTL |
|---|
| X5 | OSC_DIV |
|---|
| X6 | BAUD_CLK |
|---|
| X7 | RS-232 A |
|---|
| X8 | TTL SERIAL |
|---|