A Loosely Synchronizing Asynchronous Router for TDM-Scheduled NOCs

Ioannis Kotleas, Dean Humphreys, Rasmus Bo Sørensen, Evangelia Kasapaki, Florian Brandner, Jens Sparsø

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

This paper presents an asynchronous router design for use in time-division-multiplexed (TDM) networks-on-chip. Unlike existing synchronous, mesochronous and asynchronous router designs with similar functionality, the router is able to silently skip over cycles/TDM-slots where no traffic is scheduled and hence avoid all switching activity in the idle links and router ports. In this way switching activity is reduced to the minimum possible amount.
The fact that this relaxed synchronization is sufficient to implement TDM scheduling represents a contribution at the conceptual level. The idea can only be implemented using asynchronous circuit techniques. To this end, the paper explores the use of “click-element” templates. Click-element templates use only flipflops and conventional gates, and this greatly simplifies the design process when using conventional EDA tools and standard cell libraries. Few papers, if any, have explored this.
Original languageEnglish
Title of host publicationProceedings of the 8th IEEE/ACM International Symposium on Networks-on-Chip (NOCS) 2014
EditorsDavide Bertozzi, Luca Benini, Sudhakar Yalamanchili, Joerg Henkel
PublisherIEEE
Publication date2014
Pages151-158
ISBN (Print)978-1-4799-5347-9
DOIs
Publication statusPublished - 2014
Event8th IEEE/ACM International Symposium on Networks-on-Chip (NOCS) 2014 - Ferrara, Italy
Duration: 17 Sep 201419 Sep 2014
Conference number: 8
http://mpsoc.unife.it/~nocsymposium/index.html

Conference

Conference8th IEEE/ACM International Symposium on Networks-on-Chip (NOCS) 2014
Number8
CountryItaly
CityFerrara
Period17/09/201419/09/2014
Internet address

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