| PPI‐056 I/Oマップ・コネクタ配列表 |
| A2 | A1 | A0 | I/O Write | I/O Read |
|
1 1 1 1 |
1 1 0 0 |
1 0 1 0 |
Command to 8255A (J2) Data to 8255A PC (J2) Data to 8255A PB (J2) Data to 8255A PA (J2) |
(Illegal Condition) Data from 8255A PC (J2) Data from 8255A PB (J2) Data from 8255A PA (J2) |
|
0 0 0 0 |
1 1 0 0 |
1 0 1 0 |
Command to 8255A (J1) Data to 8255A PC (J1) Data to 8255A PB (J1) Data to 8255A PA (J1) |
(Illegal Condition) Data from 8255A PC (J1) Data from 8255A PB (J1) Data from 8255A PA (J1) |
| PIN# | SIGNAL | PIN# | SIGNAL |
|
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 |
PA0 PA2 PA4 PA6 GND GND PB0 PB2 PB4 PB6 GND GND PC0 PC2 PC4 PC6 - |
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 |
PA1 PA3 PA5 PA7 GND GND PB1 PB3 PB5 PB7 GND GND PC1 PC3 PC5 PC7 - |