Sharing of functions between an embedded controller and a host processor

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United States of America Patent

PATENT NO 7865646
SERIAL NO

11490008

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Abstract

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An improved system is described for allowing an embedded controller and a host processor to share access to modules in a computer system. The shared access system of the present invention enables exclusive, one-at-a-time access by a processor to a module and concurrent access by more than one processor to a module. An internal bus with two power sources is used to allow continued access by one of the processors when one of the two power sources is not providing power. Asynchronous clocking is provided to allow increased throughput to modules. An example of a protocol that allows an embedded controller to access more than one module is also described.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL SEMICONDUCTOR CORPORATIONSANTA CLARA CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Falik, Ohad Kfar Saba, IL 92 2095
Flachs, Victor Rishon-Le-Zion, IL 14 120
Friedman, Yehezkel Ramat Hasharon, IL 11 207
Kirschner, Yuval Ra'anana, IL 13 22

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