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Visitor II
April 9, 2024
Solved

STM32L496QGI3 Vbat pin connection

  • April 9, 2024
  • 1 reply
  • 754 views

Hi,

Can the VBAT pin on this part be left floating? I currently have the pin disconnected. Or should it be tied to VDD or GND in order for the part to function properly? 

VBAT.PNG

Thanks, 

 

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

    Hello,

    Vbat pin must be connected to VDD even if VBAT block (RTC.. etc ) is not used.

    From RM0351:

    SofLit_0-1712690773090.png

     

    1 reply

    mƎALLEmAnswer
    Technical Moderator
    April 9, 2024

    Hello,

    Vbat pin must be connected to VDD even if VBAT block (RTC.. etc ) is not used.

    From RM0351:

    SofLit_0-1712690773090.png