Memory access control system

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United States of America Patent

PATENT NO 4458313
SERIAL NO

06324958

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Abstract

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A memory access control system selects a program mode to carry out a cycle steal operation in response to a logic '1' condition of a predetermined bit position included in a command and selects a direct memory access mode to effect a direct memory access in response to a logic '0' condition of the predetermined bit position.

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Patent Owner(s)

Patent OwnerAddress
TOKYO SHIBAURA ELECTRIC CO LTD A CORP OF JAPAN72 HORIKAWA-CHO SAIWAI-KU KAWASAKI-SHI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eguchi, Seiji Kawasaki, JP 20 461
Moriya, Yoshiaki Inagi, JP 31 395
Suzuki, Seigo Yokohama, JP 40 699

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