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  • DP83TC812S-Q1: Failed to communicate with peer while using DP83TC812S-Q1

    Resolved
    Part Number: DP83TC812S-Q1 Hi, TI We're experiencing a link down issue. Register 0x871 shows that the current SQI value is 0, register 0x1 shows that the current state is Link up, and it is currently not able to communicate with the peer. After…
    • Resolved

  • DP83TC812S-Q1: SGMII link down

    Part Number: DP83TC812S-Q1 Hi team, My customer uses 812s in their system and the project is in mass production status now. They found a board that has fault while running. The 0x60A register value was 0x136, which means SGMII link down. The other register…

  • DP83TC812S-Q1: TX_CTRL pin behavior under RGMII mode

    Part Number: DP83TC812S-Q1 Hi TI Expert, Could you explain more details about the below table 8-12 in DP83TC812S-Q1 datasheet under RGMII mode? We notice the TX_CTRL pin will keep high during transmission. From the datasheet, it seems that the TX_CT…

  • DP83TC812S-Q1: link up 0x01=0x with SQI reg871=0

    Part Number: DP83TC812S-Q1 hello Could you explain the possible reason of link up 0x01=0x0065 with SQI reg871=0? 1. Constant reading for tens of times with stable reading when ethernet communication doesn't work well 2. After 30min, SQI reading turns…
    • Answered

  • DP83TC812S-Q1: validation of sgmii failed

    Resolved
    Part Number: DP83TC812S-Q1 Hello, We have two DP83TC812SRHARQ1 PHYs each connected to a Microchip LAN9373 8-port switch on the SGMII port of the switch. I 'm attempting to bring up the PHYs under Linux and the following error occurs: [ 9.925106…
    • Resolved

  • RE: TDA4VH-Q1: Port DP83TG720S and DP83TC812S PHY driver issue

    Hi Sudheer, Thank you for the support. Doredla Sudheer Kumar said: Can you please create a separate thread for PHY Specific queries. Please see the link here: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1293249/tda4vh-q1-phy…

  • DP83TC812S-Q1: DP83TC812-Q1 sending wake up request or pulse in slave mode in autonomous boot strapping

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 I want to use DP83TC812-Q1 IC for connected car application in zonal gateway ECU. I want to wake up my Switch master phy (Other vendor device) from Zonal gateway slave phy ( DP83TC812-Q1). Our query is, will slave phy (DP83TC812…

  • DP83TC812S-Q1: DP83TC812S-Q1: How to configure 10 Mbps or 100 Mbps & Auto-Negotiation Function Issue

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 Hi Team, We are using the Device DP83TC812S-Q1. We have two problems as follows: 1. How to configure 10 Mbps or 100 Mbps? 2. Does the 812s has Auto-Negotiation Function? How to configure the PHY chip when it is connected to…

  • DP83TC812S-Q1: What is the difference between TC10 and WOL.

    Part Number: DP83TC812S-Q1 Other Parts Discussed in Thread: DP83TC811-Q1 Dear Team, I want to use DP83TC812-Q1 or DP83TC811-Q1 IC for connected car application in zonal gateway ECU considering sleep wakeup scheme design. What i see in datasheet is DP83TC812…

  • DP83TC812S-Q1: DP83TC812S-Q1 MODE 1/2/3

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 Hi Team, What does the mode 1/2/3 in DP mean? As shown below: Thanks, Xiaoxiang

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