Handling FPGA Faults and Configuration Sequencing Using a Hardware Extension

  • Authors:
  • Peter Zipf;Manfred Glesner;Christine Bauer;Hans Wojtkowiak

  • Affiliations:
  • -;-;-;-

  • Venue:
  • FPL '02 Proceedings of the Reconfigurable Computing Is Going Mainstream, 12th International Conference on Field-Programmable Logic and Applications
  • Year:
  • 2002

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Abstract

Run-time reconfiguration (RTR) applied to field-programmable logic allows for fast reconfiguration of parts of a user circuit in the presense of faults in the underlying programmable logic. The regular structure of field-programmable gate arrays (FPGAs) and the independence of the implemented system from the programmable hardware are the basis for a reasonable small implementation of a fault tolerance concept in hardware. In this paper we describe a hardware structure called reconfiguration control unit (RCU) which realizes a reconfiguration controller. Exchanging configurations is a frequent task in RTR applications, usually left to a host computer system. Applying the RCU to such tasks, a host system becomes obsolete and the time needed for reconfiguration can be minimized.