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Low-power state encoding for partitioned FSMs with mixed synchronous/asynchronous state memory
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (Electronics design division, STC)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (Electronics design division, STC)
Ansvarlig organisasjon
2008 (engelsk)Inngår i: Integration, ISSN 0167-9260, E-ISSN 1872-7522, Vol. 41, nr 1, s. 123-134Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Partitioned finite state machine (FSM) architectures in general enable low-power implementations and it has been shown that for these architectures, state memory based on both synchronous and asynchronous storage elements gives lower power consumption compared to their fully synchronous counterparts. In this paper we present state encoding techniques for a partitioned FSM architecture based on mixed synchronous/asynchronous state memory. The state memory, in this case, is composed of a synchronous local state memory and an asynchronous global state memory. The local state memory uses synchronous storage elements and is shared by all sub-FSMs. The global state memory operates asynchronously and is responsible for handling the interaction between sub-FSMs. Even though the partitioned FSM contains the asynchronous mechanism, its input/output behaviour is still cycle by cycle equivalent to the original monolithic synchronous FSM. In this paper, we discuss the low-power state encoding method for the implementation of partitioned FSM with mixed synchronous/asynchronous state memory. For the local state assignment a, what we call, state-bundling procedure is presented to enable states residing in different sub-FSMs to share the same state codes. Based on state-bundles, two state encoding techniques, in which one is the employment of binary encoding and the other is the further optimization for low power, are compared.

 

 

sted, utgiver, år, opplag, sider
2008. Vol. 41, nr 1, s. 123-134
Emneord [en]
Low-power, partitioned FSMs
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-2868DOI: 10.1016/j.vlsi.2007.02.002ISI: 000250491000013Scopus ID: 2-s2.0-34548503381Lokal ID: 2473OAI: oai:DiVA.org:miun-2868DiVA, id: diva2:27900
Prosjekter
STC - Sensible Things that CommunicateTilgjengelig fra: 2008-09-30 Laget: 2009-01-19 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. Automatic Synthesis of Partitioned FSMs Based on Mixed Synchronous/Asynchronous State Memory
Åpne denne publikasjonen i ny fane eller vindu >>Automatic Synthesis of Partitioned FSMs Based on Mixed Synchronous/Asynchronous State Memory
2007 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Sundsvall: Mittuniversitetet, 2007. s. 145
Serie
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 20
HSV kategori
Identifikatorer
urn:nbn:se:miun:diva-8887 (URN)978-91-85317-47-9 (ISBN)
Disputas
2007-06-15, Sundsvall, 13:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2009-05-06 Laget: 2009-05-06 Sist oppdatert: 2011-02-06bibliografisk kontrollert

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