Programmable Function Inputs; Figure 4-3. Ai Conv Clk Signal Routing - National Instruments Isolated Analog Input Device NI PXI-4224 User Manual

Chapter 4 Theory of Operation

Programmable Function Inputs

NI PXI-4224 User Manual
PXI Trigger<0..5>
PXI Star
PFI 0
Ctr 0 Internal Output

Figure 4-3. AI CONV CLK Signal Routing

Figure 4-3 shows that AI CONV CLK can be generated from a number of
sources, such as the external signals PFI 0, PXI_Trig<0..5>, and PXI_Star,
and the Ctr 0 Internal Output.
PFI 0 is connected to the front SMB connector of the NI PXI-4224.
Software can select PFI 0 as the external source for a given timing signal.
Any timing signal can use the PFI 0 pin as an input, and multiple timing
signals can simultaneously use the same PFI. This flexible routing scheme
reduces the need to change physical connections to the I/O connector for
different applications. Refer to Table 4-2 for information regarding the
available PFI 0 signals.
4-6
AI CONV CLK
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