Facilitating resource use in multicycle arbitration for single cycle data transfer
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United States of America Patent
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May 10, 2016
Grant Date -
Apr 2, 2015
app pub date -
Oct 2, 2013
filing date -
Oct 2, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are disclosed to provide arbitration between input ports and output ports of a switch. For each of at least one input port of a group of input ports, a respective request is received specifying for the respective input port to be allocated a clock cycle in which to send data to a group of output ports. A grant of the request of a primary input port is issued at each clock cycle, the primary input port including a first input port of the at least one input port. Upon a determination, subsequent to a first clock cycle count elapsing, that an input arbiter has not yet accepted any grant of the request of the primary input port, a grant is issued at each clock cycle, including alternating between issuing a grant of the request of the primary input port and of an alternate input port, respectively.
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