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DP83867IS: Output of LED_2 at low temperature.

Kengo.Y
Guru 10635 points
Part Number: DP83867IS

Hi team,

When started up at low temperature, the output of LED_2 is inverted.
Started up at room temperature and then cooled down, LED_2 is normal output.

Could you give me any advice about this phenomenon?

BR.
Kengo.


  • +1
    TI__Mastermind 22425 points

    Hi Kengo,

    May I ask what is the temperature you are testing when you see the behavior?

    What is the setup you are seeing this behavior?

    • What is the link partner?
    • Are you able to see a link up a low temperature?
    • What is the LED_2 functionality?
    • If possible, could you also try to configure LED_2 to link status functionality and see if you are able to observe the similar behavior?

    If possible, could you send us the schematic around LED_2 for us to take a look at?

    --

    Thank you,

    Hillman Lin