I/O Map
The following table lists the main I/O definitions of the CDP18S600.
Q |
Video Terminal: serial output |
EF1 | Group 8: PIO ARDY |
EF2 | Group 8: PIO BRDY |
EF4 | VT, serial input |
OUT 1 |
Set I/O group I/O group 8: PIO |
OUT 2 & 3 | Group 8: PIO Write control register |
OUT 4 & 5 | Group 8: PIO Write to port A |
OUT 6 & 7 | Group 8: PIO Write to port B |
INP 2 & 3 | Group 8: PIO Read status |
INP 4 & 5 | Group 8: PIO Read port A |
INP 6 & 7 | Group 8: PIO Read port B |