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  • DP83848C: DP83848C

    Part Number: DP83848C 1. In RMII mode, MCU connects to RX-DV, but not CRS-DV. 2, RBIAS install 4.7KΩ 1% resistance. 3. PFBOUT, PFBIN1, PFBIN2 Connect to DC3.3V power supply. The above connection. The network can be connected in actual use. Long…

  • DP83848C: Preamble SFD Length is shortage

    Part Number: DP83848C I'm using DP83848 with 10BASE. I believe the length of preamble is defined 7 octets in IEEE standards. However, the DP83848 sometimes outputs preamble 6.5 octets + SFD (1octet). Is this preamble shortage common on the ethernet…
    • Answered

  • DP83848C: Series termination for MII required when using controlled impedences?

    Resolved
    Part Number: DP83848C I am using this Ethernet chip in my design. Are the 51 ohm series terminations required when I am using impedance controlled traces in my design? The datasheet calls for the series terminations of 51 ohms, but I have very short traces…
    • Resolved

  • DP83848C: FLP waveform analyze

    TI Thinks Resolved
    Part Number: DP83848C Other Parts Discussed in Thread: DP83822I Hi Team, The customer used our DP83848 chip, but had some problems with the FLP waveform test. The FLP waveform of DP83848 did not see any undershoot, and the customer wanted to know if such…
    • Answered

  • DP83848C: Size of 48-Pin LQFP Power Pad?

    Resolved
    Part Number: DP83848C The data sheet for the DP83848VV in the 48-LQFPpackage TI refers to as its "PT package" apparently has a 49th pin in the form of an underside Power Pad. Is this true? There's ambiguity about this because the package drawing…
    • Resolved
    • Answered

  • DP83848C: What Class of Output Drivers Does DP83848 Have?

    Resolved
    Part Number: DP83848C When selecting an RJ45 jack with built-in magnetics to use with DP83848 I note that there are two general classes of these devices. One class is known in the literature as "current driving outputs", the other "voltage driving outputs…
    • Resolved

  • DP83848C: Magnetics

    TI Thinks Resolved
    Part Number: DP83848C Hello Expert, Our customer used Pulse-H2019 magnetic as recommend of data sheet. This part has been discontinued. They are considering below parts instead of obsolete part. * Bel Fuse : SI-60062-F Pulse : J001D21B Pulse - J0011D21B…

  • DP83848C: EMC - Conducted Susceptability

    TI Thinks Resolved
    Part Number: DP83848C Hello Expert, Do you have a design guide or related document about schematic to improve EMC test which is Conducted Susceptability - 10V/m. There is a phenomenon that the ping is cut off under testing EMC - Conducted Susceptability…
    • Answered

  • DP83848C: Characteristics of Current drive method and Voltage drive method

    Resolved
    Part Number: DP83848C Hi, Please let me know if you have any materials regarding the current drive method and the voltage drive method. Thanks, Astro
    • Resolved

  • DP83848C: Is it possible to connect DP83848C to the SFP module?

    Part Number: DP83848C Hello, I am curious to know if it is possible to DP83848C to the SFP module. If yes, I will be grateful if you could let me know about the circuit.

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