Omega Engineering DIGITAL INPUT/OUTPUT PCI-DIO96 User Manual
Page 16
Table 5-3. DIO Port Configurations/Per Group
IN
IN
IN
IN
155
9B
1
1
1
1
OUT
IN
IN
IN
154
9A
0
1
1
1
IN
IN
OUT
IN
153
99
1
0
1
1
OUT
IN
OUT
IN
152
98
0
0
1
1
IN
OUT
IN
IN
147
93
1
1
0
1
OUT
OUT
IN
IN
146
92
0
1
0
1
IN
OUT
OUT
IN
145
91
1
0
0
1
OUT
OUT
OUT
IN
144
90
0
0
0
1
IN
IN
IN
OUT
139
8B
1
1
1
0
OUT
IN
IN
OUT
138
8A
0
1
1
0
IN
IN
OUT
OUT
137
89
1
0
1
0
OUT
IN
OUT
OUT
136
88
0
0
1
0
IN
OUT
IN
OUT
131
83
1
1
0
0
OUT
OUT
IN
OUT
130
82
0
1
0
0
IN
OUT
OUT
OUT
129
81
1
0
0
0
OUT
OUT
OUT
OUT
128
80
0
0
0
0
CL
CU
B
A
Dec
Hex
D0
D1
D3
D4
Values
Programming Codes
Notes: ‘CU’ is PORT C upper nibble, ‘CL’ is PORT C lower nibble.
5.4.2
Group 1 8255 Configuration & Data
GROUP 1, PORT A DATA
BADR3 + 4
READ/WRITE
D0
D1
D2
D3
D4
D5
D6
D7
0
1
2
3
4
5
6
7
GROUP 1, PORT B DATA
BADR3 + 5
READ/WRITE
D0
D1
D2
D3
D4
D5
D6
D7
0
1
2
3
4
5
6
7
GROUP 1, PORT C DATA
BADR3 + 6
READ/WRITE
CL1
CL2
CL3
CL4
CH1
CH2
CH3
CH4
C1
C2
C3
C4
C5
C6
C7
C8
0
1
2
3
4
5
6
7
13