Queue fetch scheduler

• Arbitrates between the QA requests received for each output port

• Scans the transmit pending arrays for QA requests and perform scheduling.

  • 8 independent TPA Scanners for 8 x 100 Mbps mode.
  • 1 Scanner/Processorfor 1 x 1 Gbps mode.

• The QFS Controller arbitrates between the QF grants from the scanners and interfaces to the EXACT Ring Interface (EXI).

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