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O
omochi
Visitor II
August 19, 2023
Question

About STM32 NUCLEO BOARD STM32F446RE I2C internal pull-up resistor

  • August 19, 2023
  • 1 reply
  • 1579 views

Does the STM32 NUCLEO BOARD STM32F446RE have internal pull-up resistors for I2C communication?

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1 reply

Peter BENSCH
Peter BENSCH
Technical Moderator
August 19, 2023

Welcome @omochi, to the community!

No, the internal pull-ups are not strong enough and cannot be used for I2C, you need to add external ones.

Hope that helps?

Regards
/Peter

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