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Chapter 2
28
Counter/Timer Operation Modes
The KUSB-3100 module supports the following counter/timer
operation modes:
• Event counting, described on this page.
• Frequency measurement, described on
.
• Edge-to-edge measurement, described on
• Rate generation, described on
.
Event Counting
Use event counting mode if you want to count the number of falling
edges that occur on Counter 0 In when the gate is active (high-level
gate or software gate). Refer to
for information about
specifying the active gate type.
You can count a maximum of 4,294,967,296 events before the counter
rolls over to 0 and starts counting again.
For event counting operations, use software to specify the
counter/timer mode as count, the C/T clock source as external, and
the active gate type as software or high-level.
Make sure that the signals are wired appropriately. Refer to the
KUSB-3100 Getting Started Manual
for an example of connecting an
event counting application.
Содержание KUSB-3100
Страница 10: ...Contents x...
Страница 14: ...About this Manual xiv...
Страница 15: ...1 1 Overview Features 2 Supported Software 3...
Страница 18: ...Chapter 1 4...
Страница 46: ...Chapter 2 32...
Страница 47: ...33 3 Supported Device Driver Capabilities...
Страница 86: ...Chapter 4 72...
Страница 87: ...73 5 Troubleshooting General Checklist 74 Service and Support 77...
Страница 100: ...Chapter 6 86...
Страница 101: ...87 A Specifications...
Страница 112: ...Appendix A 98...
Страница 113: ...99 B Connector Pin Assignments...
Страница 115: ...101 C Reading from or Writing to the Digital Registers...