duodyne
lynchaj
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
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lynchaj
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
| U12,U22 | 74LS688 |
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| U13 | CPU CLOCK |
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| U15 | DS1233 |
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| U16 | 74LS08 |
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| U18 | UART CLOCK |
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| U19 | 74LS157 |
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| U20 | TL16C550CFN |
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| U21 | 74LS74 |
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| U24,U29 | 74LS670 |
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| U27 | PCF8584 |
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| U28 | MC6809 |
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| U33 | 74LS374 |
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| C2-C6,C8-C24,C30-C40 | 0.1u |
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| C25-C28 | 10u |
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| C29 | 22u |
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| C46 | 47uF |
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| D2,D3,D7,D9 | LED |
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| D4 | 6809 |
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| D6 | 1N4148 |
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| H1,H2 | MountingHole |
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| J1 | IO Address Select |
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| J2 | 6809 RESET |
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| J3 | 6809 ONLY |
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| J4 | RES SEL |
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| J5 | NMI Selection |
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| J6 | IRQ Selection |
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| J7 | I2C IRQ Selection |
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| J8 | UART IRQ Selection |
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| J9 | FIRQ Selection |
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| J10 | MRDY |
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| J11 | FPANEL |
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| JP1 | GENERATE CLOCK |
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| JP3 | GENERATE RESET |
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| JP4 | BUS CPU |
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| JP10 | IO PORT ADDR |
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| P1-P3 | CONN_02X25 |
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| R1,R6 | 1K |
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| R2,R3,RN8 | 10K |
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| R4,R5,R12,R13,RN3 | 470 |
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| R7 | 10 |
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| R8 | 470Ω |
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| R9 | 1KΩ |
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| RN1,RN4,RN5 | 4700 |
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| RN2 | 10KΩ |
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| SW1 | RESET |
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