software

Conventional technique of hardware design formal verification is based on modelling zero-delay changes of signal value. Unfortunatelly, this type of abstraction hides the problem of clock domain crossings (CDCs) which cause is either in metastability or in a synchronization protocol design. CDCreloaded is a framework which gathers all one need for formal verification and analysis of hardware designs including asynchronous components. The framework consists of several components including (i) the tool cdcreveal for detection and extending of parts of a design prone to CDC problems, (ii) the tool envgen for generating an environment of a verified component, and (iii) the tool for niCE for building a filtered content of a counter-example to make the analysis of a discovered fault easier for a QA engineer.

clock-domain crossing, formal verification, environment specification

11. 10. 2010

http://www.fit.vutbr.cz/~smrcka/w/doku.php?id=research:cdcreloaded

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http://www.fit.vutbr.cz/~smrcka/w/doku.php?id=research:cdcreloaded