Dependable design technique for system-on-chip

  • Authors:
  • Pavel Kubalík;Hana Kubátová

  • Affiliations:
  • Department of Computer Science and Engineering, Czech Technical University in Prague, Karlovo nam. 13, 121 35 Prague 2, Czech Republic;Department of Computer Science and Engineering, Czech Technical University in Prague, Karlovo nam. 13, 121 35 Prague 2, Czech Republic

  • Venue:
  • Journal of Systems Architecture: the EUROMICRO Journal
  • Year:
  • 2008

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Abstract

A technique for highly reliable digital design for two FPGAs under a processor control is presented. Two FPGAs are used in a duplex configuration system design, but better dependability parameters are obtained by the combination of totally self-checking blocks based on a parity predictor. Each FPGA can be reconfigured when a SEU fault is detected. This reconfiguration is controlled by a control unit implemented in a processor. Combinational circuit benchmarks have been considered in all our experiments and computations. All our experimental results are obtained from a XILINX FPGA implementation using EDA tools. The dependability model and dependability calculations are presented to document the improved reliability parameters.