computie
transistorfet
A collection of 68k computer projects, including a unix-like operating system written in C that runs on them
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transistorfet
A collection of 68k computer projects, including a unix-like operating system written in C that runs on them
| U9,U10 | 74HC253 |
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| U11 | 74HC138 |
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| U12 | 74HC393 |
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| U13 | MC68681 |
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| U14,U15 | AS6C8016 |
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| U16 | AM29F040 |
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| U17 | 74LVC1G32 |
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| C1 | 0.47uF |
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| C2 | 15pF |
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| C3 | 5pF |
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| C4-C7,C9-C20 | 0.1uF |
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| C8 | 470uF |
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| D1 | RUN |
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| D2 | OP5 |
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| D3 | OP7 |
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| D4 | OP4 |
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| D5 | OP6 |
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| J1 | CompactFlash |
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| J2 | Serial1 |
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| J3 | Serial2 |
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| J4 | ADBUS-EXP |
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| J5 | ADBUS |
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| J6 | SIGBUS |
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| J7-J9,JP4,JP5 | POWER |
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| JP1 | ROMJMP |
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| JP2 | IRQ |
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| JP3 | ~{IACK} |
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| JP6 | ENABLE |
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| JP7 | PULLUP |
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| JP8 | ENABLE CFAK |
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| R1,R2,R7,R8,R10,R11 | 1k |
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| R3,R6,R9,R12,RN1,RN2 | 10k |
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| R4,R5 | 5.1k |
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| SW1 | ~{RESET} |
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| SW2 | SW_DIP_x06 |
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| SW3,TP6 | IP2 |
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| SW4,TP5 | IP3 |
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| TP1 | IPEND |
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| TP2 | REFILL |
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| TP3 | STATUS |
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| TP4 | ~{DSACK-EXT} |
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| TP7 | RMC |
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| TP8 | ~{DSACK-SEL} |
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| Y1,Y2 | Crystal |
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