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Chapter 6
Programmable Function Interfaces (PFI)
Caution
Do not drive a PFI signal externally when it is configured as an output.
E Series User Manual
Not all timing signals can be output. PFI pins are labeled with the timing
signal that can be output on it. For example, PFI 8 is labeled PFI 8/CTR 0
Source. The following timing signals can be output on PFI pins:
•
AI Start Trigger Signal
•
AI Reference Trigger Signal
•
AI Sample Clock Signal
•
AI Convert Clock Signal
•
AO Start Trigger Signal
•
AO Sample Clock Signal
•
Counter 0 Source Signal
•
Counter 0 Gate Signal
•
Counter 1 Source Signal
•
Counter 1 Gate Signal
Refer to the
Power-On States of the PFI and DIO Lines
Chapter 4,
Digital
I/O, for more information about PFI lines.
6-2
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