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Deadlock Detection in Conditional Asynchronous Circuits Under Mismatched Branch Selection

IEEE International Conference on Electronics, Circuits, and Systems (ICECS) • 2015
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Publication Information
Authors Eslam Yahya, Hatem Zakaria, and Yehea I. Ismail
Keywords Deadlock, and Asynchronous Circuits
Journal IEEE International Conference on Electronics, Circuits, and Systems (ICECS)
Publisher IEEE Xplore
Volume Not Available
Issue Not Available
Pages pp. 596 - 600
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
In this paper we introduce an algorithm that detects the deadlock in conditional asynchronous circuits when the selection controls are not matched. By knowing the slack in each branch and the detailed selection pattern for each Split and Merge, the algorithm detects the deadlock, specifies the branch at which the deadlock occurs, and determines how much slack is needed to free the deadlock. The proposed algorithm is implemented and tested against Verilog simulation.