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Chapter 7
Counters
For information about connecting counter signals, refer to the
section.
Counter Timing Signals
X Series devices feature the following counter timing signals:
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Counter n Internal Output Signal
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Note
All counter timing signals can be filtered. Refer to the
section of
, for more information.
In this section,
n
refers to the X Series Counter 0, 1, 2, or 3. For example, Counter
n
Source refers
to four signals—Counter 0 Source (the source input to Counter 0), Counter 1 Source (the source
input to Counter 1), Counter 2 Source (the source input to Counter 2), or Counter 3 Source (the
source input to Counter 3).
Each of these signals supports digital filtering. Refer to the
section of Chapter 8,
for more information.
Counter
n
Source Signal
The selected edge of the Counter
n
Source signal increments and decrements the counter value
depending on the application the counter is performing. Table 7-8 lists how the terminal is used
in various applications.
Table 7-8.
Counter Applications and Counter
n
Source
Application
Purpose of Source Terminal
Pulse Generation
Counter Timebase
One Counter Time Measurements
Counter Timebase
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