RTC‐056 I/Oマップ・コネクタ配列表

■I/O Map
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

■Connector J1
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


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