ZX2020
michalin
A super-simple Z80 based computer that runs CP/M
Components (29)
| Reference | Value | Description |
|---|---|---|
| Q1 | BC547 | |
| U1 | Z80CPU | |
| U2 | 628128 128x8k RAM | |
| U3 | Z80DART | |
| U4,U7 | 74LS02 | |
| U5,U6 | 74LS00 | |
| U9 | NE555P | |
| U10 | TMS9918A | |
| U11 | HM62256BLP | |
| U12-U14 | 74HCT574 | |
| U15 | 74HCT04 | |
| BT1 | Battery_Cell | |
| C1-C8 | 100nF | |
| C9 | 10µ | |
| C10-C15 | 0.1uf | |
| C16,C17 | 22pf | |
| D1,D2 | BAT43 | |
| J1 | Bus breakout | |
| J2,J7 | Power | |
| J3 | Console | |
| J4 | PS/2 Keyboard | |
| J5 | PATA_CONN | |
| J8 | Video out | |
| R1 | 100k | |
| R2-R4 | 10k | |
| R5 | 470 | |
| X1 | OSC 4MHZ | |
| XA1 | Arduino_Mega2560_Shield | |
| Y1 | 10.738635MHz |