• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 34 subscribers
  • Views 282 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DP83TG720R-Q1: The link down issue from Mass production projection

Jack Li
Expert 3880 points

Part Number: DP83TG720R-Q1

Tool/software:

Hi Ethernet,

We meet some issues from my customer, we do need your help to analyze it, thanks in advance~

  • Issue1: Mass production stage, only happened in power up, once link down it will always down, can’t self recovery, hard to reproduce
  • Issue2: Zongmu ECU 720(Mater) can detect link down, but front camera ECU 720(Slave) can’t detect

ChangAn ADAS ECU Ethernet Link down issue.pptx

Best Regards,

Jack

  • 0
    TI__Expert 4620 points

    Hello Jack,

    I agree with the current debug proposal. 

    I also have a few question to understand issue better:

    • For issue #1 when can't self recover does that include resetting PHY soft reset and hard reset as well as power cycling PHY?
    • For issue #2 do the registers and LED0 pin still show link up when cable is disconnected?

    Regards,

    Avtar