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Showing 100 results View by: Thread Post Sort by
    Answered
  • DP83848-EP: BIST precisions

    Ludovic Spillebout
    Ludovic Spillebout
    Resolved
    Part Number: DP83848-EP Hi, I am planning on using a DP83848-EP for my project and I would like to have a few more details on the BIST functionality of this PHY. So far I understood that to run the BIST, the following steps should be followed, thanks to…
    • Resolved
    • 1 month ago
    • Interface
    • Interface forum
  • Answered
  • DP83848-EP: PN

    Naizeng Wang
    Naizeng Wang
    Resolved
    Part Number: DP83848-EP Hi team, What's the PN of this device? Is it our device? I didn't find the TI logo on the package.
    • Resolved
    • 2 months ago
    • Interface
    • Interface forum
  • DP83848-EP: Design only working with pin5 tied to gnd?

    Alex Barker
    Alex Barker
    Part Number: DP83848-EP Hi there, We have a strange effect happening when we attempt to use the DP83848-EP chip. We are running the chip in RMII mode with Pin39 tied high and Pin6 floating (internally pulled low). We are finding when powering on and the…
    • 2 months ago
    • Interface
    • Interface forum
  • DP83848-EP: Receiver specification

    Etienne GOURRAUD
    Etienne GOURRAUD
    TI Thinks Resolved
    Part Number: DP83848-EP Hello, I am using the DP83848-EP in 100BASE-TX and I am looking for the receiver specification. I have an application with several cable configurations with different length and intermediate connector numbers between the two devices…
    • 7 months ago
    • Interface
    • Interface forum
  • DP83848-EP: Unable to communicate thru MDIO/MDC

    Kyu Choe
    Kyu Choe
    Part Number: DP83848-EP Hello, I am using PIC32 processor to DP83848-EP in RMII mode. I'm unable to communicate thru MDIO. Oscilloscope shows that PIC32 send out the read command, but PHY doesn't respond. Default Phy Address is 0x1. All power pins…
    • 9 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83848I: Package compatibility: LQFP (48) for DP83848I vs HLQFP (48) for DP83848VYB / DP83848-EP?

    AnBer
    AnBer
    Resolved
    Part Number: DP83848I Other Parts Discussed in Thread: DP83848VYB , DP83848-EP Team, We are trying to understand if in an existing PCB design made originally for DP83848I LQFP (PT-48) the IC can be replaced by DP83848VYB HLQFP (PTB-48) / DP83848-EP HLQFP…
    • Resolved
    • 11 months ago
    • Interface
    • Interface forum
  • DP83848-EP: Internal Pull ups and pull Down values

    Srivatsa Kolhapur
    Srivatsa Kolhapur
    TI Thinks Resolved
    Part Number: DP83848-EP Hi, Im using DP83848-EP with marvell switch 88E6350R using MII interface. Some of the MII interface lines like TXD_0 acts as strap for the switch and its conflicting with the PU an PDs im providing outside. Please provide internal…
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • DP83848-EP: Power-up stabilization period

    Mat Bennion
    Mat Bennion
    Resolved
    Part Number: DP83848-EP The datasheet, section 3.5.1, describes a 167ms initialization time. 1. From the diagram, MDC is low during this time. Is this a requirement on the external device supplying the clock, that it MUST be low for 167ms? 2. What is…
    • Resolved
    • over 1 year ago
    • Interface
    • Interface forum
  • DP83848-EP: Power Up Timing

    Tanay Ghose
    Tanay Ghose
    TI Thinks Resolved
    Part Number: DP83848-EP The datasheet for the DP83848-EP has Figure 4-2 which depicts the Power Up Timing, From this timing diagram, there doesn't seem to be any device terminal that can be directly probed to determine if the device is up. My aim is to be…
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • DP83848-EP: DP83848-EP JTAG Interface

    Kenneth Pham
    Kenneth Pham
    Resolved
    Part Number: DP83848-EP In non-JTAG operation, should the JTAG /TRST input be grounded?
    • Resolved
    • over 1 year ago
    • Interface
    • Interface forum
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