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  • DP83848YB: DP83848YB - Communication lost at high temperature (>40°C)

    Resolved
    Part Number: DP83848YB Tool/software: Starting electronic f rom ambient temperature to high temperature ( 20°C- 70 °C ) , communication still works . Conversely, starting at high temperature ( ~ 70°C) causes a breaking communication. T o enable communication…
    • Resolved

  • DP83848YB: DP83848YB IBIS model issue

    TI Thinks Resolved
    Part Number: DP83848YB Tool/software: In the DP83848YB IBIS model, the Signals RD+/- and TD+/- are mentioned as NC. How to use this model for SI Analysis? Following is the section of ibis file | |**************************************************…
    • Answered

  • DP83848YB: Drive Strength/Max. Sink Current of the MDIO Pin

    Resolved
    Part Number: DP83848YB Other Parts Discussed in Thread: LSF0102-Q1 Tool/software: Hello TI Team, I'm using DP83848YB as an ethernet debug interface in an automotive project. DP83848YB was until now interfaced directly to a MCU that had 3.3V pads for…
    • Resolved

  • DP83848YB: TD problem

    Part Number: DP83848YB Tool/software: We have a custom board based on the STM32H7 and a DP83848 as PHY. We can configure the PHY without problems, all status and configuration register are as expected, the PHY reacts on changes of link speed etc…

  • DP83848YB: DP83848YB

    Part Number: DP83848YB Hello, we use DP83848YB part on our equipment. On few cases (4 up to now), the equipment came back from our customer and not pinging any more at 100Mb/s, but pinging correctly at 10Mb/s (full duplex in both cases). When looking…

  • DP83848YB: JTAG TESTS CAPABILITY ON DP83848YB

    Part Number: DP83848YB Hello, I would like to test the Phy by JTAG. Is there an application note that explain what could be tested ? Best regards,

  • DP83848YB: RESERVE PIN-20/PIN-21: PULL-UP RESISTORS MISSING OR SHORT CIRCUITED---DEVICE OPERATION IMPLICATIONS

    TI Thinks Resolved
    Part Number: DP83848YB Tool/software: According to the datasheet, device Pin-20 and Pin-21 {RESERVED| within the HLQFP48 pin package each pin needs to pulled up through a 2.2K-ohm to 3.3V. What happens to the device if the 2.2k-ohm pull-up resistor…
    • Answered

  • DP83848YB: RJ45 connector

    Resolved
    Part Number: DP83848YB Hi Team, Our customer wants to design a new board with 10/100BT. Since we have stocks of DP83848YB, he choose this device.However, the magnetics suggested in the application note are not available and some are already obsolete…
    • Resolved
    • Answered

  • DP83848YB: Application Inquiry

    Resolved
    Part Number: DP83848YB Hello Team, My customer needs confirmation about the device DP83848YB 100BT mode. Since 100BASE-TX isn't dependent on link polarity. The IEEE 802.3 standard doesn't specify that 100BASE-TX should not rely on link polarity and…
    • Resolved

  • DP83848YB: 10Base-T Ethernet qualification testing - masks violation issue

    Part Number: DP83848YB I performed several 10Base-T testing with Teledyne Lecroy ENET QualiPHY test setup (9.2.0.3 build 277958 core version) of both a custom developed board with your DP83848YB and an evaluation board from an european microcontroller…

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