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 |