What is the capacitance IO of HSE and LSE?

5 replies
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STM32MP15 lines

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PatrickFBest answer

ST Employee

Hi @SOCQU ,

usually, we assume Cstray (IO+PCB) at about 4 to 5 pF for both HSE and LSE.

Regards.

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Javier1

Principal

What microprocessor are you using?

hit me up in https://www.linkedin.com/in/javiermuñoz/

PatrickFBest answer

ST Employee

Hi @SOCQU ,

usually, we assume Cstray (IO+PCB) at about 4 to 5 pF for both HSE and LSE.

Regards.

In order to give better visibility on the answered topics, please click on 'Select as Best' on the reply which solved your issue or answered your question. See also 'Best Answers'

In order to give better visibility on the answered topics, please click on 'Best Answer' on the reply which solved your issue or answered your question.Tip of the day: Try Sidekick STM32 AI agent

SOCQUAuthor

Associate II

Hi,

Sorry I've forgot to write I am using STM32MP151!

Sebastien

PatrickF

ST Employee

My comment above is valid for all STM32MP15 flavors.

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SOCQUAuthor

Associate II

thanks:grinning_face:

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