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Questions about the stop mode

hervett
Associate II
Posted on June 26, 2008 at 12:11

Questions about the stop mode

1 REPLY 1
hervett
Associate II
Posted on May 17, 2011 at 12:38

Hi everybody ,

I'm here because i'm asking questions about the stop mode. I use the STM32 for my little application. I have for that a LCD, a keyboard and the STM32. I want to switch on my application pressing on a button of the keyboard. I want to put the button on an EXTI and wake up the STM32 by this button by WFI or something like that, when I am in the stop mode. This thing is ok if the last time i've used my application, I entering in the stop mode. But my question is here:

If I am in the stop mode ( all VDD are on), and i stop the VDD ( I plug off the wire for the 3,3V ). In which power mode my STM32 will be after this cut of the VDD ?

In other words, can i wake up my STM32, after a cut of the VDD ?

Thank you very much ! I hope you will understand me ! :D

Thank you again