![background image](http://html.mh-extra.com/html/national-instruments/pxie-6674/pxie-6674_user-manual_709612016.webp)
Figure 5. Signal Selection Circuitry Diagram
CLK
CLK/N
CLK/M
SYNCHR
ONIZA
TION
CLOCKS
SOURCE
DESTINA
TION
PFI<0..5>
PXI_TRIG<0..7>
PXI_STAR
PFI_LVDS<0..2>
PXIe-DSTARB
Software Trigger
GND
Determining Sources and Destinations
All signal routing operations can be characterized by a
source
(input) and a
destination
. In
addition, synchronous routing operations must also define a third signal known as the
synchronization clock
section for more information
on synchronous routing versus asynchronous routing.
on page 17 summarizes the sources and destinations of the PXIe-6674.
16
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PXIe-6674 User Manual