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Showing 19 results View by: Thread Post Sort by
  • RON BOLOHAN
    RON BOLOHAN
    • 11 months ago
    • Interface
    • Interface forum

    DP83849C: DP83849C

    • Resolved
    Part Number: DP83849C Hi, Maybe you are able to reference Case CS0132290 solution as well
  • Kazuya Nakai59
    Kazuya Nakai59
    • over 1 year ago
    • Interface
    • Interface forum

    DP83849C: Does DP83849 have any signal or way to show whether the device operation is under control or runaway (under no control) to MPU?

    • Resolved
    Part Number: DP83849C Hello guys, One of my customers is considering using DP83849. The have
  • Geet Modi
    Geet Modi
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: RJ45 Loopback

    Tx and Rx are seperate and you can setup link using external loop back. Regards, Geet
  • Geet Modi
    Geet Modi
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: The role of the MII RX_ER signal in 10 Mbits/s mode

    Great ! Thanks for closing the loop. Regards, Geet
  • Aniruddha Khadye
    Aniruddha Khadye
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: Internal loopback Vs External Loopback: Bist Test

    Hi Rocco, If the BIST with external loopback cable is failing then it does point to an issue on the cable side. Please check that the circuit connection, RBIAS resistor value, Magnetics specification, and crystal specification are as per the datasheet...
  • Geet Modi
    Geet Modi
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: Prerequisites for MII loopback test

    Hi Rocco, No addtional configuration are needed. Only loopback for appropriate phy Id shall be configured. Regards, Geet
  • Geet Modi
    Geet Modi
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: MAC to Phy loopback

    Hi Rocco, You can read the bit and reconfirm that it is intact set. We don't have any other status register to confirm. On TX pins, have you checked TX_EN also getting triggered ? Also, given the PHY has two MAC interface. you have to ensure...
  • Hung Nguyen92
    Hung Nguyen92
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: Using 1.8V VCC

    Hi Rocco, DP83849C was designed to operate with 3.3V supply. See section 8 of the datasheet for Recommended Operating Conditions. Regards, Hung Nguyen
  • Rochus
    Rochus
    • over 1 year ago
    • Interface
    • Interface forum

    RE: DP83849C: Speed selection bit cannot be unset

    Hi Geet, I have just repeated this test, and it seems the problem does not occur with the TI EVK board. Thanks, Rocco
  • John Lin41
    John Lin41
    • over 2 years ago
    • Interface
    • Interface forum

    DP83849C: DP83849 function

    TI Thinks Resolved
    Looking for UTP<->Fiber(Media Converter) IC See related information from TI's website www.ti.com/.../tidu510a.pdf Content using DP83849 However, the new project does not require dual Phyter and require Ethernet. It is purely a signal conversion...
>

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