5. Function
32
DIO-48DX-USB
Each bit of control word is as follows.
CW7 CW6 CW5 CW4 CW3 CW2 CW1 CW0
Port C high 4 bits I/O set
Port A I/O set
Output 0
Input 1
[1]
[0]
Output 0
Input 1
Output 0
Input 1
Output 0
Input 1
Port B I/O set
Port C low 4 bits I/O set
[0]
Figure 5.2. I/O setup control word
Table 5.1. Setup value of the control word
Control Ward
D7
D6
D5
D4
D3
D2
D1
D0
hexadecimal
Port A
Port C
(High 4bit)
Port B
Port C
(Low 4bit)
1 0 0 0 0 0
0
0
80
OUTPUT OUTPUT
OUTPUT
OUTPUT
1 0 0 0 0 0
0
1
81
OUTPUT OUTPUT
OUTPUT
INPUT
1 0 0 0 0 0
1
0
82
OUTPUT OUTPUT
INPUT OUTPUT
1 0 0 0 0 0
1
1
83
OUTPUT OUTPUT
INPUT INPUT
1 0 0 0 1 0
0
0
88
OUTPUT INPUT OUTPUT
OUTPUT
1 0 0 0 1 0
0
1
89
OUTPUT INPUT OUTPUT
INPUT
1 0 0 0 1 0
1
0
8A
OUTPUT INPUT INPUT OUTPUT
1 0 0 0 1 0
1
1
8B
OUTPUT INPUT INPUT INPUT
1 0 0 1 0 0
0
0
90
INPUT OUTPUT
OUTPUT
OUTPUT
1 0 0 1 0 0
0
1
91
INPUT OUTPUT
OUTPUT
INPUT
1 0 0 1 0 0
1
0
92
INPUT OUTPUT
INPUT OUTPUT
1 0 0 1 0 0
1
1
93
INPUT OUTPUT
INPUT INPUT
1 0 0 1 1 0
0
0
98
INPUT INPUT OUTPUT
OUTPUT
1 0 0 1 1 0
0
1
99
INPUT INPUT OUTPUT
INPUT
1 0 0 1 1 0
1
0
9A
INPUT INPUT INPUT OUTPUT
1 0 0 1 1 0
1
1
9B
INPUT INPUT INPUT INPUT
Содержание DIO-48DX-USB
Страница 1: ...PC HELPER Bi Directional Digital I O Unit for USB DIO 48DX USB User s Guide CONTEC CO LTD...
Страница 27: ...2 Setup 22 DIO 48DX USB...
Страница 35: ...4 Application Development 30 DIO 48DX USB...
Страница 41: ...5 Function 36 DIO 48DX USB...
Страница 45: ...6 About Hardware 40 DIO 48DX USB Block Diagram Figure 6 3 Block Diagram...
