| URT‐056 I/Oマップ・コネクタ配列表 |
| A2 | A1 | A0 | FUNCTION |
|
1 1 1 1 |
1 1 0 0 |
1 0 1 0 |
Z80A-CTC Channel 3 Z80A-CTC Channel 2 Z80A-CTC Channel 1 Z80A-CTC Channel 0 |
|
0 0 |
1 1 |
1 0 |
8251A Command/Status (J2) 8251A Data (J2) |
|
0 0 |
0 0 |
1 0 |
8251A Command/Status (J1) 8251A Data (J1) |
| PIN# | SIGNAL | PIN# | SIGNAL |
|
1 3 5 7 9 11 13 15 17 19 21 23 25 |
GND RxD TxD DSR RTS DTR GND (Hi) - - - - - |
2 4 6 8 10 12 14 16 18 20 22 24 26 |
- - - - - - CTS - - - - - - |