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Parameters information for chip SJA1105S.

Question asked by Mahendra Pardeshi on Dec 5, 2019
Latest reply on Dec 6, 2019 by bpe



Anyone has information for the below parameters for chip SJA1105S.


We are referring to user manual UM11040.


  •  Switch Port Scheduler Predecessor.

        - It defines the order of the scheduler predecessors.
        This value shows only the relative ordering of the elements.
        The highest value has the highest priority and gaps are allowed.

  • Switch Port Scheduler Predecessor reference.
         - Choice reference to the scheduler predecessor
         It has one of the choice reference value to the scheduler predecessor.
         It will one of Port FIFO, Port Scheduler or Port Shaper.
  • Port Egress Last Scheduler Reference.
    - It is a reference to the port scheduler which is the last in the egress port.
  •  Port Ingress Virtual lan Modification
    - It indicates all incoming messages are tagged with VLAN id.
  •  Port Traffic Class Assignment
    - The Traffic classes are assigned to the FIFO.
  •  Port Egress FIFO Index
    - It specifies the instance ID of the FIFO of the configured Ethernet switch egress port
  •  Port FIFO Minimum Length
    - It is the size of a configured FIFO.
  • Port FIFO Traffic Class Assignment
    - Traffic classes assigned for the FIFO.
  •  Port Egress Predecessor FIFO Reference.

         - It is a reference to FIFO which predecessor to Port Shaper.

  • Frame management information
    - Where the management information is inserted inside the Ethernet Frame.


We are not able to map the above configuration parameter related to chipset SJA1105S.


If any has information/suggestion for above will great help for us.


Thanks and Regards,