National Instruments NI-7935 Standalone FPGA controller

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National Instruments · FlexRIO

NI-7935

The NI-7935 is a standalone FlexRIO controller combining a Kintex-7 K410T FPGA with an embedded ARM processor. It provides 2 GB of FPGA-accessible memory and two SFP+ ports for streaming.

ManufacturerNational Instruments

ModelNI-7935

Part Number783766-01

Product TypeStandalone FPGA controller

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PlatformStandalone FlexRIO

FPGAXilinx Kintex-7 XC7K410T

FPGA-accessible DRAM2 GB

ProcessorDual-core ARM Cortex-A9, 667 MHz

Operating systemNI Linux Real-Time (32-bit)

Serial streamingTwo SFP+ ports

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Overview

Product overview

Key product information and technical features.

Designed for embedded signal processing with modular I/O, the NI-7935 brings programmable FPGA resources and a real-time processor into a standalone FlexRIO system. NI documentation identifies this controller as NI-7935R.

The architecture separates FPGA-accessible DRAM from processor memory. SFP+ interfaces support high-speed serial streaming, while Ethernet, USB and a MicroSD slot provide controller connectivity and storage options.

Kintex-7 FPGA with 63,550 logic slices and 1,540 DSP slices.
28,620 kbit of embedded FPGA block RAM.
SFP+ serial line rates of 3.125, 6.25 and 10.3125 Gbps.
FPGA data transfers through DMA, interrupts and programmed I/O.

Verified specifications

Technical data

Verified product specifications.

FPGA	Xilinx Kintex-7 XC7K410T
FPGA slices	63550 slices
DSP48 slices	1540 slices
Embedded block RAM	28620 kbit
FPGA-accessible DRAM	2 GB
Processor	Dual-core ARM Cortex-A9, Xilinx Zynq-7020 SoC
Processor clock	667 MHz
Processor DRAM	512 MB DDR3
Operating system	NI Linux Real-Time (32-bit)
SFP+ ports	2 ports
Supported serial line rates	3.125, 6.25, 10.3125 Gbps
Power input	9–30 VDC
Operating ambient temperature	0–55 °C

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National Instruments

Manufacturer

FlexRIO

Modular FPGA and I/O platform

NI-7935 / NI-7935R

Standalone controller

Modular I/O

An attached FlexRIO adapter module determines the application-specific I/O characteristics.

Check the selected adapter module documentation for its I/O specifications and integration requirements.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-7935 Official Product PageProduct Page · ni.com

Open →

NI-7935R SpecificationsSpecifications PDF · download.ni.com

Open →

NI-7931R/7932R/7935R User ManualUser Manual PDF · docs-be.ni.com

Open →

Components of a FlexRIO System with Modular I/OTechnical resource

Open →

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FAQ

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Product-specific answers based on available technical information.

Why do the manuals use NI-7935R rather than NI-7935?

NI labels the product page NI-7935 and describes part number 783766-01 as the NI 7935R Controller for FlexRIO. The associated hardware manuals use NI-7935R.

Is the 2 GB memory shared with the real-time processor?

The specifications identify 2 GB of FPGA-accessible DRAM separately from the processor's 512 MB DDR3 memory.

Is this a PXI Express module?

No. NI identifies the NI-7935R as a standalone FlexRIO controller rather than a PXI Express module.