Apparatus for masked arbitration between masters and requestors and method for operating the same
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United States of America Patent
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Jul 12, 2011
Issued Date -
N/A
app pub date -
Jun 14, 2005
filing date -
Mar 8, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus is disclosed for handling multiple requestors desiring access to a resource. The apparatus includes a plurality of masters and a plurality of arbitrators. Each arbitrator is assigned to a different one of the plurality of masters. Also, each arbitrator is defined to consider a different portion of the multiple requestors when selecting a requestor to be serviced by the master to which the arbitrator is assigned. Each arbitrator is further defined to select a requestor from the different portion of the multiple requestors, such that selection of a particular requestor is not duplicated among the plurality of arbitrators. Additionally, requestor selection by each of the plurality of arbitrators is performed in a same clock cycle.
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