en:hardware:bus
The PCW expansion port contains the following signals:
Component face | Tracks face | |||||
---|---|---|---|---|---|---|
Signal | Type | Numbering | Numbering | Signal | Type | |
NC | 1 | 2 | NC* | |||
GND | O | 3 | 4 | GND | O | |
+5V | O | 5 | 6 | +5V | O | |
NC | 7 | 8 | +12V | O | ||
A14 | I | 9 | 10 | A15 | I | |
A12 | I | 11 | 12 | A13 | I | |
A10 | I | 13 | 14 | A11 | I | |
A8 | I | 15 | 16 | A9 | I | |
A6 | I | 17 | 18 | A7 | I | |
A4 | I | 19 | 20 | A5 | I | |
A2 | I | 21 | 22 | A3 | I | |
A0 | I | 23 | 24 | A1 | I | |
D6 | I/O | 25 | 26 | D7 | I/O | |
D4 | I/O | 27 | 28 | D5 | I/O | |
D2 | I/O | 29 | 30 | D3 | I/O | |
D0 | I/O | 31 | 32 | D1 | I/O | |
/RESET | O | 33 | 34 | /M1 | O | |
/BUSRQ | I | 35 | 36 | /INT | I | |
/BUSAK | O | 37 | 38 | /WAIT | I | |
/WR | O | 39 | 40 | /MREQ | O | |
/RD | O | 41 | 42 | /IORQ | O | |
NC | 43 | 44 | NSYNC | O | ||
/MDIS | I | 45 | 46 | VIDEO | O | |
32MHz | O | 47 | 48 | 4MHz | O | |
GND | O | 49 | 50 | GND | O |
* On the PCW10, signal 2 is /NMI.
en/hardware/bus.txt · Last modified: 2022/06/16 09:39 by jevicac