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10 years, 5 months ago.

How to change the core ferquency of the MCU?

Hello, I have learn this board for some time.I notice that the MCU use the HSI, and then the multiple of the PLL is 16. So the frequency of is 8/2*16=64MHz . If I want to use the HSE (8M) and want to get the frequency of 72MHz, how did I configure the file? Thank you!

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Last updated: 20 Apr 2021
Affordable and flexible platform to ease prototyping using a STM32F103RBT6 microcontroller.

Can anybody help me?

posted by youyou yu 11 Jul 2014

You can download STM32CubeMX - STM32Cube initialization code generator from here http://www.st.com/web/en/catalog/tools/FM147/CL1794/SC961/www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1533/PF259242. It provides a graphic tool to let you configure the clock and generate initialization code.

posted by Max Peng 15 Oct 2014
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