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STM32 Nucleo Speed

Question asked by Aliaga.David on Feb 17, 2016
Latest reply on Feb 17, 2016 by Nesrine M
Hello and thanks always

I am currently using a STM32F091. In the specs I read that it is a Cortex M0 with 48MHz. 
My questions are:

1) Can I be sure that it is running at that speed?  
2) In general can the STM32 chips be set with different speeds? (I come from experience in other MCUs where you can configure different speeds both internally and with external crystals and multipliers)

3) How can I get the maximum speed?

I am a little concerned because I have programmed a LCD with mbed and also an arduino (no, that is not the MCU I was talking before) that supposes to run at 16MHz and there is almost no difference in speed. I sometimes even worry that the STM32 is slower so something must be happening??

Thanks for all the advice

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