Apparatus and method for chained arbitration of a plurality of inputs
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Sep 1, 2006
filing date -
Sep 1, 2006
priority date (Note) -
Abandoned
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Abstract
An apparatus for chained arbitration of a plurality of inputs for access to a shared resource is provided. The apparatus includes a plurality of levels of arbiters including a first arbitration level having at least one first level arbiter, and a second arbitration level having at least one second level arbiter, the at least one first level arbiter comprising a locker module for generating a lock request signal to the at least one second level arbiter after locking one of the plurality of inputs, the at least one second level arbiter comprising a grant module for generating a grant signal to the at least one first level arbiter in response to the lock signal, whereby upon receipt of the lock signal the at least one first level grants access to the at least one second level arbiter for the locked one of the plurality of inputs.
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