High reliable reconfigurable applications today require system platforms that can easily and quickly detect and correct single event upsets. This capability, however, can be costly for FPGAs. This paper demonstrates a technique for detecting and repairing SEUs within the configuration memory of a Xilinx Virtex-4 FPGA using the ICAP interface. The Internal Configuration Access Port (ICAP) provides a port internal to the FPGA for configuring the FPGA device. An application note demonstrates how this port can be used for both error injection and scrubbing [1]. We have extended this work to create a fault tolerant ICAP scrubber by triplicating the internal ICAP circuit using TMR and block memory scrubbing. This paper will describe the costs, benefits, and reliability of this fault-tolerant ICAP controller.


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    Title :

    Fault Tolerant ICAP Controller for High-Reliable Internal Scrubbing


    Contributors:


    Publication date :

    2008-03-01


    Size :

    4377549 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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