RTC‐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 |
Not used Not used Address to 6242 Data to 6242 |
Not used Not used Buzzer On Data from 6242 |
0 0 0 0 |
1 1 0 0 |
1 0 1 0 |
Z80A-CTC Ch-3 Z80A-CTC Ch-2 Z80A-CTC Ch-1 Z80A-CTC Ch-0 |
PIN# | SIGNAL | PIN# | SIGNAL |
1 3 5 7 9 |
CLK/TRG1 CLK/TRG2 CLK/TRG3 ZC/TO1 ZC/TO2 |
2 4 6 8 10 |
GND GND GND GND GND |