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© National Instruments Corporation 11 NI PXI/PCI-5114 Specifications
PFI 0 and PFI 1 (Programmable Function Interface,
AUX Front Panel Connectors)
Specification Value
Connector 9-pin mini-circular DIN
Direction Bi-directional
As an Input (Trigger)
Destinations Start Trigger (Acquisition Arm)
Reference (Stop) Trigger
Arm Reference Trigger
Advance Trigger
Input Impedance 150 kΩ
V
IH
2.0 V
V
IL
0.8 V
Maximum Input Overload –0.5 V, 5.5 V
Maximum Frequency 25 MHz
As an Output (Event)
Sources Start Trigger (Acquisition Arm)
Reference (Stop) Trigger
End of Record
Done (End of Acquisition)
Probe Compensation (1 kHz, 50% duty cycle square wave,
PFI 1 only)
Output Impedance 50 Ω
Logic Type 3.3 V CMOS
Maximum Drive Current ±24 mA
Maximum Frequency 25 MHz