Clocking:Reference (Input) Clock Source

Short Name: Reference Clock Source

Specifies the input source for the PLL reference clock to which the digitizer is phase-locked. For the the NI 5102, this is the source of the board clock. For other Tradiitonal NI-DAQ (Legacy) devices this is the 10 MHz clock. For SMC-based devices this is the 1–20 MHz clock.

Defined Values

External SMA Connector (5620/5621 Only)
No Source
RTSI_Clock
PFI 0
PFI 1
PFI 2
PXI Clock
CLK IN

Remarks

The following table lists the characteristics of this property.

Data Type	ViString
Access	R/W
Channel Based	No