Measurement Computing PPIO-DIO24H User Manual
Page 13
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M3
M2
Group A Function
0
0
Mode 0 Input / Output
No other values are valid.
A
B
CL
CH
Independent Function
1
1
1
1
Input
0
0
0
0
Output
M1 = 0 is mode 0 for group B.
Input / Output
Ports A, B, C-High (CH), and C-Low (CL) can be independently programmed for
input or output. Refer to Table 4-3 that follows.
Table 4-3. I/O Configuration Coding
IN
IN
IN
IN
27
1B
1
1
1
1
OUT
IN
IN
IN
26
1A
0
1
1
1
IN
OUT
IN
IN
25
19
1
0
1
1
OUT
OUT
IN
IN
24
18
0
0
1
1
IN
IN
OUT
IN
19
13
1
1
0
1
OUT
IN
OUT
IN
18
12
0
1
0
1
IN
OUT
OUT
IN
17
11
1
0
0
1
OUT
OUT
OUT
IN
16
10
0
0
0
1
IN
IN
IN
OUT
11
B
1
1
1
0
OUT
IN
IN
OUT
10
A
0
1
1
0
IN
OUT
IN
OUT
9
9
1
0
1
0
OUT
OUT
IN
OUT
8
8
0
0
1
0
IN
IN
OUT
OUT
3
3
1
1
0
0
OUT
IN
OUT
OUT
2
2
0
1
0
0
IN
OUT
OUT
OUT
1
1
1
0
0
0
OUT
OUT
OUT
OUT
0
0
0
0
0
0
CL
B
CH
A
DEC
HEX
D0
D1
D3
D4
9
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