Chapter 5 Analog Output
© National Instruments 5-11 X Series User Manual
A programmable internal counter divides down the AO Sample Clock
Timebase signal.
Several other internal signals can be routed to AO Sample Clock through
internal routes. Refer to Device Routing in MAX in the NI-DAQmx Help or
the LabVIEW Help for more information.
Using an External Source
Use one of the following external signals as the source of AO Sample
Clock:
• PFI <0..15>
•RTSI<0..7>
•PXI_STAR
• Analog Comparison Event (an analog trigger)
Routing AO Sample Clock Signal to an Output
Terminal
You can route AO Sample Clock (as an active low signal) out to any
PFI <0..15>, RTSI <0..7>, or PXIe-DSTARC terminal.
Other Timing Requirements
The AO timing engine on your device internally generates AO Sample
Clock unless you select some external source. AO Start Trigger starts the
timing engine and either the software or hardware can stop it once a finite
generation completes. When using the AO timing engine, you also can
specify a configurable delay from AO Start Trigger to the first AO Sample
Clock pulse. By default, this delay is two ticks of AO Sample Clock
Timebase.
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