NI 6509 User Guide and Specifications
14
ni.com
Signal Descriptions
Table 3 lists the signals and descriptions for all signals available on the
NI 6509 device.
Table 3.
NI 6509 Signal Descriptions
Pin
Signal Name
Description
MSB
LSB
1, 3, 5, 7, 9, 11, 13, 15
P2.<7..0>
Bi-directional data lines for
port 2
P2.7
P2.0
2, 4, 6, 8, 10, 12, 14, 16
P5.<7..0>
Bi-directional data lines for
port 5
P5.7
P5.0
17, 19, 21, 23, 25, 27,
29, 31
P1.<7..0>
Bi-directional data lines for
port 1
P1.7
P1.0
18, 20, 22, 24, 26, 28,
30, 32
P4.<7..0>
Bi-directional data lines for
port 4
P4.7
P4.0
33, 35, 37, 39, 41, 43,
45, 47
P0.<7..0>
Bi-directional data lines for
port 0
P0.7
P0.0
34, 36, 38, 40, 42, 44,
46, 48
P3.<7..0>
Bi-directional data lines for
port 3
P3.7
P3.0
49, 99
+5 V supply
+5 volts; pr5 V power
source
—
—
50, 100
GND
Ground; connected to the
computer ground signal
—
—
51, 53, 55, 57, 59, 61,
63, 65
P8.<7..0>
Bi-directional data lines for
port 8
P8.7
P8.0
52, 54, 56, 58, 60, 62,
64, 66
P11.<7..0>
Bi-directional data lines for
port 11
P11.7
P11.0
67, 69, 71, 73, 75, 77,
79, 81
P7.<7..0>
Bi-directional data lines for
port 7
P7.7
P7.0
68, 70, 72, 74, 76, 78,
80, 82
P10.<7..0>
Bi-directional data lines for
port 10
P10.7
P10.0
83, 85, 87, 89, 91, 93,
95, 97
P6.<7..0>
Bi-directional data lines for
port 6
P6.7
P6.0
84, 86, 88, 90, 92, 94,
96, 98
P9.<7..0>
Bi-directional data lines for
port 9
P9.7
P9.0