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CLaud.1
CLaud.1
Visitor II
October 2, 2020
Solved

For the STM32F105, what parameters (besides frequency) of a crystal oscillator should you consider when looking for one?

  • October 2, 2020
  • 1 reply
  • 635 views

Does load capacitance matter for a given device? Or does that only effect the caps you pair with the oscillator?

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Best answer by TDK

Load capacitance can matter.

Please see:

https://www.st.com/resource/en/application_note/cd00221665-oscillator-design-guide-for-stm8afals-stm32-mcus-and-mpus-stmicroelectronics.pdf

In general, most crystals will work. You could also just choose one already on an ST board to be safe without doing any work.

1 reply

TDK
TDKBest answer
October 2, 2020

Load capacitance can matter.

Please see:

https://www.st.com/resource/en/application_note/cd00221665-oscillator-design-guide-for-stm8afals-stm32-mcus-and-mpus-stmicroelectronics.pdf

In general, most crystals will work. You could also just choose one already on an ST board to be safe without doing any work.

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