Dynamically Reconfigurable Logic LSI: PCA-2

Hideyuki ITO, Ryusuke KONISHI, Hiroshi NAKADA, Hideyuki TSUBOI, Yuichi OKUYAMA, Akira NAGOYA

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Summary :

Design points and the results seen in the development of a dynamically reconfigurable logic LSI, PCA-2, are described. PCA-2 enables the realization of flexible parallel processing based on the autonomous reconfiguration of logic circuits. To realize this feature, we introduce an asynchronous circuit design and a homogeneous cell array structure. PCA-2 represents an advance on the earlier LSI, PCA-1. Cutting edge CMOS technology is used to realize the structural merits of PCA hardware. Compared to PCA-1, PCA-2 offers 16 times greater integration level for programmable logic. Due to miniaturization and design refinement, PCA-2 provides a 6-fold increase in the circuit frequency of the configuration controller and a 3-fold increase in the operating frequency of the programmable logic. The results gained confirm the effects of refinement and the suitability of our architecture for device miniaturization.

Publication
IEICE TRANSACTIONS on Information Vol.E87-D No.8 pp.2011-2020
Publication Date
2004/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Reconfigurable Systems)
Category
Recornfigurable Systems

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