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DP83822I: Configure DP83822 for dual port etherCAT application

Alex Yeh
Expert 5495 points
Part Number: DP83822I


Dear team,

Would you please help to check below DP83822 hardware strap pin configuration for dual port etherCAT application and comment if any advice?

Btw, does it suggested to enable Auto-Negotiation (Advertised Modes) in this application or Force Modes? This is for AC servo drive end-equipment. 

Thanks!

Regards,

Alex

  • 0
    TI__Mastermind 26320 points

    DP83822_StrapTool.xlsxHi Alex,

    Kindly provide the HW configuration you plan to use to comment.

    Also, I am attaching a xls based tool to derive the resistor values. Refer to HW Strap tool tab.Regards,

    Geet

  • 0 in reply to Geet Modi
    TI__Expert 5495 points

    Hi Geet,

    Below is the configuration that is using. Please help to check if this is suitable for using in 2-port etherCAT in servo drive application. Thanks!

    Regards,

    Alex

  • 0 in reply to Alex Yeh
    TI__Mastermind 26320 points
    Hi Alex,

    Find below how it will be mapped. Only thing I would like you to review is need for Fast Link Drop for EtherCAT application.

    Regards,
    geet


    IN Port Out . Port
    COL Phy address 0 Phy Address to 1 ( default)
    RX_D0 AN_1:1 AN_1:1
    RX_D1 EEE disable EEE disable
    RX_D2 Fast Link Drop disable Fast Link Drop disable This is something you want to look
    RX_D3 AN_EN: 0 AN_EN: 0
    LED_0 AN_0: 1 AN_0: 1
    CRS LED_Speed: 1, LED_CFG:1 LED_Speed: 1, LED_CFG:1
    RX_ER RGMII_EN : 0, AMDIX_EN:1 RGMII_EN : 0, AMDIX_EN:1
    RX_DV XI_50:0, RMII_EN:0 XI_50:0, RMII_EN:0


    AN_EN:AN_1:AN_0: 0:1:1 100Bas-TX, Full Duplex