Signal Connection Descriptions - National Instruments PC-TIO-10 User Manual

Configuration and Installation

Signal Connection Descriptions

Pins Signal Names
1, 4, 7, SOURCE<1..4>
10, 15, 18, SOURCE<6..9>
21, 24
they
2, 5, 8, 11, GATE<1..10>
13, 16, 19,
22, 25, 27
3, 6, 9, 12, OUT<1..10>
14, 17, 20,
23, 26, 28
29-30 FOUT<1..2>
31-32 EXTIRQ<1..2>
33 GND
34 +5 V
35-42 A<0..7>
A
43-50 B<0..7>
B
PC-TIO-10 User Manual
Description
These are the source inputs for Counters 1
through 4 and Counters 6 through 9.
The source inputs for Counters 5 and 10 do
not appear on the I/O connector because
are internally connected to a 5-MHz clock.
These are the gate inputs for Counters 1
through 10.
These are the outputs for Counters 1
through 10.
These are the frequency outputs of the two
Am9513A devices.
These are the interrupt inputs
for the PC-TIO-10.
This pin is connected to the computer's
ground signal.
This pin is connected to the computer's
+5 VDC power supply.
These are the eight digital I/O lines on Port
of the MC6821. The MSB is A7.
These are the eight digital I/O lines on Port
of the MC6821. The MSB is B7.
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Chapter 2