OPI‐056 I/Oマップ・コネクタ配列表・入力回路

■I/O Map
A2 A1 A0 FUNCTION
1
1
1
1
1
1
0
0
1
0
1
0
Z80A-PIO (J2) Port B Control
Z80A-PIO (J2) Port B Data (PI25 - PI32)
Z80A-PIO (J2) Port A Control
Z80A-PIO (J2) Port A Data (PI17 - PI24)
0
0
0
0
1
1
0
0
1
0
1
0
Z80A-PIO (J1) Port B Control
Z80A-PIO (J1) Port B Data (PI9 - PI16)
Z80A-PIO (J1) Port A Control
Z80A-PIO (J1) Port A Data (PI1 - PI8)

■Connector J1
PIN# SIGNAL PIN# SIGNAL
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
PI1
PI2
PI3
PI4
PI5
PI6
PI7
PI8
PI9
PI10
PI11
PI12
PI13
PI14
PI15
PI16
-
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
PI1 RET
PI2 RET
PI3 RET
PI4 RET
PI5 RET
PI6 RET
PI7 RET
PI8 RET
PI9 RET
PI10 RET
PI11 RET
PI12 RET
PI13 RET
PI14 RET
PI15 RET
PI16 RET
-

■Connector J2
PIN# SIGNAL PIN# SIGNAL
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
PI17
PI18
PI19
PI20
PI21
PI22
PI23
PI24
PI25
PI26
PI27
PI28
PI29
PI30
PI31
PI32
-
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
PI17 RET
PI18 RET
PI19 RET
PI20 RET
PI21 RET
PI22 RET
PI23 RET
PI24 RET
PI25 RET
PI26 RET
PI27 RET
PI28 RET
PI29 RET
PI30 RET
PI31 RET
PI32 RET
-

■Input Circuit


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