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How to Set SYSCLK up to 72Mhz

Question asked by Mucit23 on Jun 12, 2017
Latest reply on Jun 13, 2017 by Mucit23

Hi

 

I created new STM32F103C8 project. I'm using STD Periph library. STM32F103 works with 8Mhz HSE oscillator. But I did not get 72 Mhz. I'm measuirng PLLCLK frequency with MCO.

 

  RCC_MCOConfig(RCC_MCO_PLLCLK_Div2); 

 

I was only 4 Mhz with the MCO. So PLLCLK is 8Mhz

How to increase the SYSCLK frequency to 72Mhz?

 

I attached the project file. Thanks

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