SemiWiki: Supporting ASIL-D Through Your Network on Chip

by Madelyn Miller, On Sep 20, 2018

Supporting ASIL-D Through Your Network on Chip 

September 20th,  2018 – By Bernard Murphy

ASIL-D compliance for safety (the top-level of safety)  in automotive applications has become much more prominent as a requirement than we might have expected. Bernard Murphy (SemiWiki) provides his take after reading Kurt Shuler’s white-paper on how the NoC interconnect connecting IPs can help meet this goal and why this approach to safety in integration is more efficient than some frequently discussed alternatives.

The ISO 26262 standard defines four Automotive Safety Integrity Levels (ASILs), from A to D, technically measures of risk rather than safety mechanisms, of which ASIL-D is the highest. ASIL-D represents a failure potentially causing severe or fatal injury in a reasonably common situation over which the driver has little control. Certification to one or more of these levels requires demonstrating that a system can guarantee better than a specified probability of failure, generally requiring increasing levels of failure mitigation, analysis and supporting documentation with each level.

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