Clock
Notes
Frequency
Range
Sync Clock
(DStarA)
Sync Clock (DStarA) is only available on NI PXI Express FlexRIO
FPGA modules (such as the NI PXIe-796xR). DStarA is not available
on NI-793xR controllers for FlexRIO or NI PXI FlexRIO FPGA
modules (such as the NI PXI-795xR). On PXI Express modules,
Sync Clock is driven by the DStarA from the PXI/PXIe backplane.
If you change the frequency of Sync Clock (DStarA) or CLK IN
(when used as the Sample Clock), you must assert Force
Initialization.
CLK IN (front
panel SMB)
If you change the frequency of Sync Clock (DStarA) or CLK IN
(when used as the Sample Clock), you must assert Force
Initialization. For more information, refer to the FlexRIO Help.
Table 3. Sample Clock Sources
Related information
■
Block Diagram
The following figure shows the NI 5751/5751B block diagram and signal flow.
© National Instruments
13
NI-5751/5751B
Summary of Contents for NI 5751
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