Priority Encoders
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United States of America Patent
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N/A
Issued Date -
Jun 3, 2010
app pub date -
Dec 3, 2008
filing date -
Dec 3, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A priority encoder and a processing device having the priority encoder. The priority encoder includes a port selector for generating a plurality of prioritized read requests based on a plurality of write requests from a plurality of processing devices and a predetermined priority assigned to each of the plurality of processing devices, one of the plurality of processing devices being selected based on the plurality of prioritized read requests; and a port latch for holding the values of the prioritized read requests to enable one of a plurality of communication ports unless the prioritized read requests are changed, each communication port for communicating with one of the processing devices to read data from the processing device.
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