FlexRIO Integrated I/O DIO Connector
- Updated2023-02-06
- 2 minute(s) read
FlexRIO Integrated I/O DIO Connector
The DIO front panel connector includes 8 general purpose digital lines and 4 MGT lanes. You can connect to these resources using a supported cable and accessory, such as the NI SCB-19 (NI part number 156053A-01). These signals are 3.3V LVCMOS bidirectional digital signals and may be used in a variety of applications. Direction is controlled independently for each channel through the LabVIEW FPGA Module diagram.
The PFI signals are connected to the FPGA through 3.3 V LVCMOS buffers. These buffers allow for direction control, isolation to protect the FPGA from overvoltage conditions, and excellent signal quality through the matched 50 Ω output impedance. For exact I/O levels and input and output impedances, refer to the device specifications.
The digital lines are protected against overvoltage conditions. The device provides this protection through a combination of diode clamps to the +3.3 V and GND lines and a positive temperature coefficient resistor for impedance matching.
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