On-chip synchronous communication between clock domains with quotient frequencies

Data transfer between arbitrary asynchronous clock domains is complicated, and practical solutions can be subject to synchronisation failure. But many practical systems use quotient frequencies and the direct conversion method (DCM) exploits this to achieve reliable data transfer without any handsha...

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Bibliographic Details
Published inElectronics letters Vol. 43; no. 9; pp. 497 - 499
Main Authors Sathe, V., Papaefthymiou, M.C., Kosonocky, S.V., Kim, S.
Format Journal Article
LanguageEnglish
Published London Institution of Electrical Engineers 26.04.2007
Subjects
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Signal convertors
Transistors
Direct method
Direct convertor
Current mode
Data transmission
Frequency domain method
Transistor
Clock
Synchronization
Failures
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Summary:Data transfer between arbitrary asynchronous clock domains is complicated, and practical solutions can be subject to synchronisation failure. But many practical systems use quotient frequencies and the direct conversion method (DCM) exploits this to achieve reliable data transfer without any handshaking. DCM minimises throughput, even between distant cores, is provably correct and has been assessed through transistor-level simulations.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0013-5194
1350-911X
DOI:10.1049/el:20070057