Single competitor arbitration scheme for common bus

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United States of America Patent

PATENT NO 5132967
SERIAL NO

07605287

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Abstract

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The invention discloses a single competitor arbitration code for determining if only one communications module is contending for a communication data bus and gives that module access within two bus clock cycles. An aggregate code is generated by using the true and complement of the module ID. A check code for each bit is determined by adding the aggregate code for the bit and its adjacent bit. If the check code contains any zeros, then more than one module is contending for the bus. The 10-bit single arbitration scheme allows for error detection and correction on a 32-bit data bus.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATION A CORP OF NYARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kalajainen, Dennis M Manassas, VA 5 156

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