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  • DP83TC812S-Q1: DP83TC812S-Q1 PHY Slave Mode

    Part Number: DP83TC812S-Q1 Dear TI Team, We have tried to configure the DP83TC812S-Q1 PHY in Slave mode, and we have a Technica Media Converter which is switched to Master Mode. The Slave configuration are done via SW as per following sample code from…

  • DP83TC812S-Q1: Ethernet message

    Part Number: DP83TC812S-Q1 At present, the SAIC side has encountered the problem of blocking the occasional Ethernet message as follows (1) About the problem description: There are two current problem symptoms The 1.0x0001 register shows 0x65, i.e., linkup…

  • DP83TC812R-Q1: If can use DP83TC812S-Q1 instead of DP83TC812R-Q1 directly when using RGMII interface

    Part Number: DP83TC812R-Q1 Other Parts Discussed in Thread: DP83TC812S-Q1 Hi, Team; Can you help to check if can use DP83TC812S-Q1 instead of DP83TC812R-Q1 directly when using RGMII interface without HW modification? My customer design with DP83TC812R…

  • DP83TC812S-Q1: EMI issue and setting

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 Hello, One of my customers is using DP83TC812S-Q1. And it fails to test EMI under the following situation. In this application note, it says that setting can be provided for certain situations. Do you mind helping to check below…

  • DP83TC812S-Q1: EMI Problems and Improvement Measures

    Part Number: DP83TC812S-Q1 Hi team， My client used DP83TC812S-Q1 in the TBOX project, and found that the radiation exceeds the standard during the EMC test, and the interference point (multiplier) of the main frequency of 63.5MHz and 635MHz. The actual…

  • DP83TC812S-Q1: switch port doesn't receive any packets

    Part Number: DP83TC812S-Q1 Hi there, The PHY has been connected to one of the port on a managed switch. The path looks like, managed switch -> PHY -> T1-TX MediaCovnerter -> RJ45 -> Linux machine The MC used in this case is EVB-LAN8770M_MC…
    • Answered

  • DP83TC812S-Q1: PHY link state doesn't change

    Resolved
    Part Number: DP83TC812S-Q1 Dear TI team, I'm not an electrical engineer so please bear with me. Also, I would be UNABLE to share any schematic or any other confidential information. We are using DP83TC812S-Q1 PHY interfacing with one of the port on managed…
    • Resolved

  • DP83TC812S-Q1: dp83tc812s-q1 cannot detect the up status

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 Other Parts Discussed in Thread: DP83TC811S-Q1 , Dear TI engineers, We use dp83tc812s-q1 as automotive Ethernet phy in the new TBOX product, SCH is as shown below, but there is a problem that the SOC cannot detect the network…

  • DP83TC812S-Q1: EVM crystal is being overdriven?

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 We’re having some issues with the 25MHz crystal circuit for the DP83TC812S-Q1. We are having issues with the crystal being over driven. The EVM has a 1kΩ series R on the XO pin. We’ve tested that value and are still…
    • Answered

  • DP83TC812S-Q1: TRD common mode voltage

    Resolved
    Part Number: DP83TC812S-Q1 Hello, For reliability and redundancy purposes, and for very small overall network length (<1m), we would like to switch the TRM lines between 2 targets. We would then like to know the output common mode voltage of the TRD…
    • Resolved

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