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RX_ER occurred at DP83867IR

Philip%20Park
Intellectual 1175 points
Other Parts Discussed in Thread: TEST2

When CC-link multi points test(test Case1), RX_ER occurred at DP83867 Boards.

But at the test case2, RX_ER  did not occur at DP83867 Boards.

As I know from several tests, RX_ER occurred between DP83867 Boards.

Same MCU(Renasas) ans S/W were used for DP83867 Board and Marvell Ethernet PHY board.

Test1.

PLC _CCLink Master<-->#1(DP83867 Board) <-->#3(DP83867 Board)

TEST2.

PLC _CCLink Master<-->#1(DP83867 Board)  <-->Marvell Ethernet PHY board<-->#3(DP83867 Board)

 
  • 0
    TI__Mastermind 23675 points
    Hi Philip,

    You are operating the DP83867EVM in a back to back configuration, or is this a board you designed?
    What software are you using? Is it the Linux driver that is provided on our website for the 867?

    If you are doing a back to back configuration, please show me how you are making the connections and also any configurations that are being made (i.e. are you using RGMII mode? Are you applying ID or trace delay?...etc...)

    Thank you,
    Ross