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Showing 58 results View by: Thread Post Sort by
  • Jan Lundgren41
    Jan Lundgren41
    • 10 months ago
    • Interface
    • Interface forum

    DP83848J: Power up Reset X1 clock requirements.

    Part Number: DP83848J Hi, A question on the DP83848J chip. Q: Is it required that the X1 25 MHz clock is started/applied within a specific time period after the PHY chip is powered up? In our case the X1 clock is applied after approx. 3 seconds after...
  • dimon zeng
    dimon zeng
    • 11 months ago
    • Interface
    • Interface forum

    DP83848J: Why X1 input is high level[1.8V]?

    TI Thinks Resolved
    Part Number: DP83848J The X1 input is high level with RMII mode. It cause RMII_REF_CLK [50MHz source from MCO] always high. How to resolve this?
  • Aniruddha Khadye
    Aniruddha Khadye
    • 2 months ago
    • Interface
    • Interface forum

    RE: DP83848K: Thermal Information in datasheet of DP83848J/DP83848K...

    Hi Lee, Looking through our characterization data, R_θJB value mentioned in the datasheet is correct. -Regards Aniruddha
  • Brian Angiel
    Brian Angiel
    • over 1 year ago
    • Interface
    • Interface forum

    DP83848J: Link LED inverted in On/Off states

    TI Thinks Resolved
    Part Number: DP83848J Hi team, I'm having an issue with DP83848J, where the link LED inverts itself so that the LED is on when I unplug the cable and goes off when I plug it in. Is this a common observation or is there anything specific that might...
  • user5813838
    user5813838
    • over 1 year ago
    • Interface
    • Interface forum

    DP83848J: Ethernet Electrical Compliance Test Setting

    TI Thinks Resolved
    Part Number: DP83848J Now, I try ethernet 10BASE-T electrical compliance test using Ethernet PHY, DP83848J. But, I can't konw MII register settings on DP83848J about following two test patterns. 1) 10BASE-T Random Pattern (TP_IDL) 2) 10BASE...
  • Rob Rodrigues
    Rob Rodrigues
    • over 1 year ago
    • Interface
    • Interface forum

    RE: Compiler/DP83848J: STM32F107RC with DP83848J can't establish ethernet link correctly

    Hi user, Can you share a schematic of your design please? Can you also provide all registers of DP83848J when connected to the computer? Best Regards,
  • Dave Melinger
    Dave Melinger
    • over 1 year ago
    • Interface
    • Interface forum

    DP83848J: DP83848J thermal Heatsinking Info

    • Resolved
    Part Number: DP83848J Hello e2e Ethernet Forum, we have been using the DP83848J ethernet PHY
  • Vickers
    Vickers
    • 11 months ago
    • Interface
    • Interface forum

    RE: DP83825:Can you share the data sheet about it?

    Is cheaper than DP83848J? Can you share slide for how to sale it?
  • Rob Rodrigues
    Rob Rodrigues
    • over 1 year ago
    • Interface
    • Interface forum

    RE: Compiler/DP83848J: STM32F107RC with DP83848J can't establish ethernet link correctly

    Hi user, What do you mean by in RMII mode you can receive register 0x01? the register set is access by MDIO(SMI) which does not depend on RMII or MII. Are you saying in MII mode you cannot read the registers? If so, that would be a configuration...
  • Smith liu
    Smith liu
    • over 1 year ago
    • Interface
    • Interface forum

    DP83848J: Are these two the same material :DP83848JSQ&DP83848NRTAR

    • Resolved
    Part Number: DP83848J Are these two the same material :DP83848JSQ&DP83848NRTAR
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