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Lookup NU author(s): Professor Alex Yakovlev
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This paper approaches the problem of synthesising an asynchronous control circuit for a stage of the Sproull Counterflow pipeline processor (CFPP) as an exercise in exploiting formal techniques available for Petri nets. We first synthesise a Petri net model of the CFPP stage control from its original "five-state-five-event" description due to Charles Molnar. Secondly, we implement that model in asynchronous circuits, using two-phase and four-phase components. The latter stage involves synthesising circuits with arbitration elements from behavioural descriptions with internal conflicts. This exercise appears to be quite instructive in the sense that it helps to estimate the scope and power of formal methods and today's automatic tools in assisting the process of asynchronous design.
Author(s): Yakovlev A
Publication type: Article
Publication status: Published
Journal: Formal Methods in System Design
Print publication date: 01/01/1998
ISSN (print): 0925-9856
ISSN (electronic): 1572-8102
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