Difference between VDD and 3V pins on STM32F4 Discovery board

terence-b · ‎2014-02-21

Posted on February 21, 2014 at 18:24

Hi

Can some outline the difference between the above mentioned pins please?

Thanks in advance

Tesla DeLorean · ‎2014-02-21

Posted on February 21, 2014 at 19:17

Can some outline the difference between the above mentioned pins please?

The side of the current measuring jumper the power domains fall.

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terence-b · ‎2014-02-22

Posted on February 22, 2014 at 10:29

Hi Clive

So the 3V as such is the main supply and the VDDs are the secondary supplies which may be disabled or enabled through the jumper.

Thanks,

LoneWolf