PIO‐156 I/Oマップ・コネクタ配列表

■I/O Map
A2 A1 A0 FUNCTION
1
1
1
1
1
1
0
0
1
0
1
0
Z80A-PIO Port-B Control (J2)
Z80A-PIO Port-B Data (J2)
Z80A-PIO Port-A Control (J2)
Z80A-PIO Port-A Data (J2)
0
0
0
0
1
1
0
0
1
0
1
0
Z80A-PIO Port-B Control (J1)
Z80A-PIO Port-B Data (J1)
Z80A-PIO Port-A Control (J1)
Z80A-PIO Port-A Data (J1)

■Connectors J1/J2
PIN# SIGNAL PIN# SIGNAL
1
3
5
7
9
11
13
15
17
19
21
23
25
PA0
PA2
PA4
PA6
ARDY
GND
PB0
PB2
PB4
PB6
BRDY
GND
(+5V)
2
4
6
8
10
12
14
16
18
20
22
24
26
PA1
PA3
PA5
PA7
ASTB
GND
PB1
PB3
PB5
PB7
BSTB
GND
(+5V)


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