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Nimit Vachhani
Associate III
Sep 14, 2017 4:22 AM UTC
Solved

Is it necessary to connect VDDA in STM32F030R8

Posted on September 14, 2017 at 06:22

Greetings People,

Is it necessary to connect VDDA in STM32F030R8 ? I am not using ADC in my application. Any suggestions would be of great help.

#analog-supply #external-power
    This topic has been closed for replies.
    Tesla DeLorean
    Tesla DeLoreanBest answer
    Guru
    Sep 14, 2017 5:50 AM UTC
    Posted on September 14, 2017 at 07:50

    The power on reset uses it, as does the PLL, check power supplies section of Reference Manual (RM0360). If designing a board you really should review the Data Sheet and Reference Manual.

    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..

    4 replies

    T J
    Senior III
    Sep 14, 2017 5:01 AM UTC
    Posted on September 14, 2017 at 07:01

    Yes,

    connect Vdda  to Vdd.

    and Vssa to Vss.

    Tesla DeLorean
    Tesla DeLoreanBest answer
    Guru
    Sep 14, 2017 5:50 AM UTC
    Posted on September 14, 2017 at 07:50

    The power on reset uses it, as does the PLL, check power supplies section of Reference Manual (RM0360). If designing a board you really should review the Data Sheet and Reference Manual.

    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..
    erisson
    Associate II
    Jan 4, 2019 2:57 PM UTC

    In this case a Filter RLC in VDDA is necessary?

    erisson
    Associate II
    Jan 4, 2019 2:57 PM UTC

    In this case a Filter RLC in VDDA is necessary?