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  • DP83848K: DP83848K – Strong 25 MHz harmonic emissions (400–600 MHz) on EMC test

    TI Thinks Resolved
    Part Number: DP83848K Hello, We are using the DP83848K in a 6-layer PCB and are failing our EMC radiated emissions test due to strong harmonic emissions in the 400–600 MHz range, clearly originating from the PHY (25 MHz clock harmonics). System Overview…

  • DP83848K-MAU-EK: Request editable schematic and layout file of DP83848K-MAU-EK

    Part Number: DP83848K-MAU-EK Other Parts Discussed in Thread: DP83848I-POE-EK Dear TI experts, My customer wants to get editable schematic and layout file of DP83848K-MAU-EK so they can draw their own schematic easily. But I can only find pdf version…

  • DP83848K: Asking for the capacitor value for transformer's center taps

    TI Thinks Resolved
    Part Number: DP83848K Hi, I have a question relating to hardware design: Currently we are using DP83848KSQ/NOPB for our Radio Unit design for UDE function. We want to make sure that our board can pass the 4kV surge test. According to the simulation…

  • DP83848K: Need the packet sending instructions for this PHY chip.

    TI Thinks Resolved
    Part Number: DP83848K Need the packet sending instructions for this PHY chip.

  • DP83848K: Ethernet PHY reset issue

    Part Number: DP83848K Other Parts Discussed in Thread: AM623 Hi, We are developing a linux based system using AM623 processor and DP83848K ethernet PHY with 50Mzha clock from the processor and it using RMII communication. But we are facing a random ethernet…

  • DP83848K: Ethernet Conformance Test for DP83848K

    Part Number: DP83848K Tool/software: Ethernet Conformance Test for DP83848K,Three types of code patterns need to be tested: the IDLE test code pattern, amplitude test code pattern, and DCD test code pattern. Could you please tell me how these code patterns…

  • DP83848K: The dp83848k SOCKET is disconnected

    Part Number: DP83848K Tool/software: The device is a server, and my host computer is a client. Communication has been going on for some time (several days), but the SOCKET is disconnected, the client fails to initiate a new connection, and the PING command…

  • DP83848K: DP83848K: question

    TI Thinks Resolved
    Part Number: DP83848K Tool/software: May I ask why the temporary register " False Carrier Sense Latch " becomes high? Will this temporary register becoming high cause the connection to be disconnected?

  • DP83848K: DP83848K Transformer question on inductivity

    TI Thinks Resolved
    Part Number: DP83848K Hi All, I made a POE+/ Ethernet design with the DP83848 in conjunction with the Bourns SM42P01L. Checking the first Prototypes for ethernet, I found an issue with long cable runs. I made a eye diagram with lecroy WR640Zi and…

  • DP83848K: Ethernet is not working in the U-boot while migration

    Part Number: DP83848K Tool/software: Hi, We have migrated our build from Yocto 4.0 to Yocto 5.0. After the migration, the Ethernet is not working in U-Boot, whereas it was working fine in Yocto 4.0. We are observing the attached log/print during initialization…

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