2010
DOI: 10.1145/1857927.1857935
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Exploiting Self-Reconfiguration Capability to Improve SRAM-based FPGA Robustness in Space and Avionics Applications

Abstract: This article presents a novel configuration scrubbing core, used for internal detection and correction of radiation-induced configuration single and multiple bit errors, without requiring external scrubbing. The proposed technique combines the benefits of fast radiation-induced fault detection with fast restoration of the device functionality and small area and power overheads. Experimental results demonstrate that the novel approach significantly improves the availability in hostile radiation environments of … Show more

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Cited by 14 publications
(9 citation statements)
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“…The EDAC codes are internally pre-computed and stored in each sensitive frame and compared to the corresponding golden reference stored in the EDAC code memory. In [15] the authors proposed a shifted scrubbing technique whenever an error occurs the scrubber starts scrubbing the associated partition where the critical bits in the configuration memory are flipped after they are been detected. The concept explored in this work was that scrubbing does not need to start at the first configuration memory frame since different regions have different concentrations of critical bits, one can find the optimum starting frame that has more upset in the region with high number of critical bits that also minimizes the time to repair, since the work was partitioned based on the sensitivity of the bits representing the mapped design.…”
Section: Literature Reviewmentioning
confidence: 99%
“…The EDAC codes are internally pre-computed and stored in each sensitive frame and compared to the corresponding golden reference stored in the EDAC code memory. In [15] the authors proposed a shifted scrubbing technique whenever an error occurs the scrubber starts scrubbing the associated partition where the critical bits in the configuration memory are flipped after they are been detected. The concept explored in this work was that scrubbing does not need to start at the first configuration memory frame since different regions have different concentrations of critical bits, one can find the optimum starting frame that has more upset in the region with high number of critical bits that also minimizes the time to repair, since the work was partitioned based on the sensitivity of the bits representing the mapped design.…”
Section: Literature Reviewmentioning
confidence: 99%
“…A methodology that allows the detection and correction of multiple bit upsets using a custom-built EDAC core is presented in [Lanuzza et al 2010]. The authors divide a configuration frame into several data segments and interleave the bits of these data segments.…”
Section: Configuration Memorymentioning
confidence: 99%
“…In the last years SRAM-based FPGAs have increasingly been employed in safetyrelated applications such as railway signaling [40], nuclear power plant I&C [173], radar systems for automotive applications [190], aerospace [99,110], and avionics [116].…”
Section: Motivationmentioning
confidence: 99%