Measurement Computing DaqBoard-ISA - Manual (Page 26)

3-8 Hardware 02-14-02 DaqBoard-ISA User’s Manual
P2,
DB37 Pinout Digital I/O Connections for ISA-Type DaqBoards
The DaqBoard [ISA-Type] P2
interface is available on:
DaqBoard/100A
DaqBoard/200A
1
9
G
N
D
P
O
R
T
A
0
3
7
P
O
R
T
A
1
3
6
P
O
R
T
A
2
3
5
P
O
R
T
A
3
3
4
P
O
R
T
A
4
3
3
P
O
R
T
A
5
3
2
P
O
R
T
A
6
3
1
P
O
R
T
A
7
3
0
P
O
R
T
C
0
2
9
P
O
R
T
C
1
2
8
P
O
R
T
C
2
2
7
P
O
R
T
C
3
2
6
P
O
R
T
C
4
2
5
P
O
R
T
C
5
2
4
P
O
R
T
C
6
2
3
P
O
R
T
C
7
2
2
G
N
D
2
1
+
5
V
2
0
8
P
O
R
T
B
2
7
P
O
R
T
B
3
6
P
O
R
T
B
4
5
P
O
R
T
B
5
4
P
O
R
T
B
6
3
P
O
R
T
B
7
2
I
R
E
N
A
B
L
E
1
IR
I
N
P
U
T
1
0
P
O
R
T
B
0
9
P
O
R
T
B
1
1
8
+
5
1
7
G
N
D
1
6
N
/C
1
5
G
N
D
1
4
N
/C
1
3
G
N
D
1
2
N
/C
11
G
N
D
1
39 40
2
T he P 2 40 -p in h eader d oes not
hav e a direc t pin-to-pin co rrelation
w ith the P 2 D B 37 con nec tor.
D B 37 C on nec tor via C A -6 0 Inte rfa ce C able
Pin Signal Name Description for P2 Pin Use
1 IR INPUT Interrupt line input (no functions to access this)
2 IR ENABLE Interrupt line enable (no functions to access this)
3 PORT B 7 Digital input/output - port B bit 7
4 PORT B 6 Digital input/output - port B bit 6
5 PORT B 5 Digital input/output - port B bit 5
6 PORT B 4 Digital input/output - port B bit 4
7 PORT B 3 Digital input/output - port B bit 3
8 PORT B 2 Digital input/output - port B bit 2
9 PORT B 1 Digital input/output - port B bit 1
10 PORT B 0 Digital input/output - port B bit 0
11 GND Digital ground
12 N/C Pin not connected/not used
13 GND Digital ground
14 N/C Pin not connected/not used
15 GND Digital ground
16 N/C Pin not connected/not used
17 GND Digital ground
18 +5 V +5 V supply (Refer to Power Management , in the DBK manual).
19 GND Digital ground
20 +5 V +5 V supply (Refer to Power Management, in the DBK manual).
21 GND Digital ground
22 PORT C 7 Digital input/output - port C bit 7
23 PORT C 6 Digital input/output - port C bit 6
24 PORT C 5 Digital input/output - port C bit 5
25 PORT C 4 Digital input/output - port C bit 4
26 PORT C 3 Digital input/output - port C bit 3
27 PORT C 2 Digital input/output - port C bit 2
28 PORT C 1 Digital input/output - port C bit 1
29 PORT C 0 Digital input/output - port C bit 0
30 PORT A 7 Digital input/output - port A bit 7
31 PORT A 6 Digital input/output - port A bit 6
32 PORT A 5 Digital input/output - port A bit 5
33 PORT A 4 Digital input/output - port A bit 4
34 PORT A 3 Digital input/output - port A bit 3
35 PORT A 2 Digital input/output - port A bit 2
36 PORT A 1 Digital input/output - port A bit 1
37 PORT A 0 Digital input/output - port A bit 0
Note: No local lines are available if digital expansion cards are in use.
.
P2 expansion cables must be kept relatively short to ensure reliable operation.
Do not exceed 14 inches per attached DBK card.
Note: The pinout is for ISA-type DaqBoards. It does not apply to PCI or cPCI type DaqBoards.