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Chapter 4 Analog Input
© National Instruments Corporation 4-31 NI 6232/6233 User Manual
Using a Digital Source
To use ai/SampleClock, specify a source and a polarity. The source can be
any of the following signals:
• Input PFI <0..5>
•RTSI <0..7>
•PXI_STAR
The source also can be one of several other internal signals on your DAQ
device. Refer to Device Routing in MAX in the NI-DAQmx Help or the
LabVIEW 8.x Help for more information.
Routing AI Pause Trigger Signal to an Output
Terminal
You can route ai/PauseTrigger out to RTSI <0..7>.
Note Pause triggers are only sensitive to the level of the source, not the edge.
Getting Started with AI Applications in Software
You can use the M Series device in the following analog input applications.
• Single-point analog input
• Finite analog input
• Continuous analog input
You can perform these applications through DMA, interrupt, or
programmed I/O data transfer mechanisms. Some of the applications also
use start, reference, and pause triggers.
Note For more information about programming analog input applications and triggers in
software, refer to the NI-DAQmx Help or the LabVIEW 8.x Help.