Table Of Contents

Integrating External FPGA IP into an FPGA Application

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    Last Modified: January 11, 2018

    By integrating external FPGA IP into an FPGA application, you can reuse existing FPGA code to implement a wide range of algorithms that are optimized for FPGAs.

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    Note  

    The Xilinx CORE Generator IP palette contains a library of IP blocks that you can incorporate into the dataflow of your FPGA VI without the need to import them using the procedure outlined here.

    1. Create or acquire IP for integration.

      For IP source files that are not VHDL, National Instruments recommends that you integrate files created using Xilinx Vivado version 2016.2.

      You declare the IP in your project using the External FPGA IP document. The External FPGA IP document supports the following file types:

      File Type File Extension Top-Level Synthesis Additional Synthesis Top-Level Simulation Additional Simulation
      VHSIC Hardware Description Language (VHDL) .vhd Yes Yes Yes Yes
      Xilinx Synthesis Technology (XST) Netlist
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      Note  

      XST Netlist files are supported only on Xilinx 7-series FPGA chips.

      .ngc Yes Yes No No
      Electronic Data Interchange Format (EDIF) Netlist .edif, .edf, .edn Yes Yes No No
      Design Checkpoint (DCP) .dcp Yes Yes No No
      Xilinx Core Instance (XCI) .xci Yes Yes No Yes
      Data .data No Yes No No
      Coefficient .coe No Yes No No
      Block RAM Memory Map (BMM) .bmm No Yes No No
      Xilinx Design Constraints (XDC) .xdc No Yes No No
      Memory Initialization File (MIF) .mif No No No Yes
      Configuration .cfg No No No Yes
      Verilog .v The FPGA compile server does not support Verilog files. Synthesize Verilog files to a Netlist before importing.
    2. Declare the IP in your project using one of the following procedures:
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      Note  

      The EIP document supports IP-XACT files exported from Xilinx Vivado, but you may have varying results when importing files from other vendors.

    3. Select an approach for instantiating external FPGA IP—You can instantiate external FPGA IP in your FPGA application using either component-level IP (CLIP) or the External FPGA IP Node.
    4. Instantiate the IP using one of the following procedures:
    After completing IP integration, you can run the FPGA VI in simulation or compile and deploy to an FPGA target.

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