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Graduate
August 7, 2024
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Do I need to connect VSSDSI when not using the display blocks?

  • August 7, 2024
  • 1 reply
  • 851 views

Hello,

I'm using a STM32F479VI but I do not need the DSI (display) functionality for my current application.

It seems that block runs on a independent power supply derived from VDD.

Can I leave the DSI power pins floating or should I power them anyway?

Screenshot 2024-08-07 at 15.28.31.png

    This topic has been closed for replies.
    Best answer by TDK

    > Do I need to connect VSSDSI when not using the display blocks?

    Yes, per the datasheet:

    TDK_0-1723043017661.png

     

    1 reply

    TDKAnswer
    Super User
    August 7, 2024

    > Do I need to connect VSSDSI when not using the display blocks?

    Yes, per the datasheet:

    TDK_0-1723043017661.png

     

    exlabsAuthor
    Graduate
    August 7, 2024

    Thank you! I did read the datasheet.. but not well enough. That is exactly what I needed to know, including the part about the caps.