Method and apparatus for dynamically changing bus size using address register means and comparator means as bus size detectors

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United States of America Patent

PATENT NO 5341481
SERIAL NO

08055230

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Abstract

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A microcomputer includes one or more registers therein. These registers are provided for defining a specific address area. When a processor unit in the microcomputer accesses an address in the specific address area, it acknowledges the access to change the bus width and/or bus cycle of the microcomputer dynamically.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 100-8280
HITACHI MICROCOMPUTER ENGINEERING LTDKODAIRA-SHI TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsukamoto, Takashi Kodaira, JP 127 1564

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