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DP83822H: Power supply questions

Yishan Chen
Intellectual 1670 points
Part Number: DP83822H

Tool/software:

Hi Team,

When AVDD and VDDIO are powered by 1.8V.

Do the power supply between RD- and RD+ need also change to 1.8V?

Thank you,

Yishan Chen

  • 0
    TI__Guru**** 176631 points

    Yishan

    The termination voltage needs to follow the AVD. So if the AVD is 1.8V, then this needs to be 1.8V as well.

    The block diagram is not correct and we are working to fix it to show the termination voltage needs to be changed to AVD.

    Thanks

    David