Multi-master bus arbitration and resource control
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United States of America Patent
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Mar 17, 2015
Grant Date -
Jul 26, 2012
app pub date -
Dec 15, 2011
filing date -
Jan 21, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention discloses an arbitration mechanism for controlling access of a plurality of nodes external to a shared resource, to which accesses by the number of nodes must be restricted, is applicable to any shared source in a computer or computer-controlled system. The present design delivers the following advantageous features. It provides localized arbitration to obtain resource access and localized self-management of resource mastery; eliminates resource seizure locally; it allows equal access to the share resource, encapsulate all four above features with the same circuit/protocol.
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