How to connect VREF+ pin on stm32F722RET6?

I am designing a custom PCB using STM32F722RET6. How to connect the VREF+ pin(13) on the SMT32F722RET6?.

As per the hardware development manual, it says

"The VREF+ pin can be connected to the VDDA external power supply"

and then, "VDDA=VDD and VSSA=VSS."

can I connect it to 3.3V external supply?

This topic has been closed for replies.

Best answer by Peter BENSCH

Welcome, @VKoga.1, to the community!

yes, you can connect it to VDD. Please also read the General PCB Design Guidelines with figure 51 in the datasheet.

If the problem is resolved, please mark this topic as answered by selecting Select as best. This will help other users find that answer faster.

Good luck!

/Peter

Technical Moderator

Welcome, @VKoga.1, to the community!

yes, you can connect it to VDD. Please also read the General PCB Design Guidelines with figure 51 in the datasheet.

If the problem is resolved, please mark this topic as answered by selecting Select as best. This will help other users find that answer faster.

Good luck!

/Peter

Visitor II

Thank you so much, like always never been let down by ST.

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