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Design of gated-clock asynchronous wrappers for multi-point GALS systems | IEEE Conference Publication | IEEE Xplore

Design of gated-clock asynchronous wrappers for multi-point GALS systems


Abstract:

An interesting style for SoC (Systems-on-Chip) circuit design is the GALS (Globally Asynchronous, Locally Synchronous) paradigm, but its major drawback shows to be the as...Show More

Abstract:

An interesting style for SoC (Systems-on-Chip) circuit design is the GALS (Globally Asynchronous, Locally Synchronous) paradigm, but its major drawback shows to be the asynchronous interfaces, especially when the GALS system is applied to a multi-point topology. The asynchronous interfaces found in literature are based on port controllers and can be called asynchronous wrappers (AW). They are responsible for data communication between locally synchronous modules, where, to each point of data communication, there is an input or an output port. The increasing number of ports leads to complex AWs and to a high increase in area. This paper proposes a new asynchronous interface focused on multi-point GALS. In a case study, considering a multi-point data communication system, the proposed interface achieved an average reduction of 33% and 41% in latency times, when compared to two different AWs found in literature.
Published in: 2016 IEEE ANDESCON
Date of Conference: 19-21 October 2016
Date Added to IEEE Xplore: 02 February 2017
ISBN Information:
Conference Location: Arequipa, Peru

References

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