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Alex_reynold
Associate III
November 4, 2024
Question

Interface PDM microphone with STM32

Hi team how to interface pdm mic with stm32f446re nucleo board.is there any code example for the same mcu

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2 replies

liaifat85
Visitor II
November 4, 2024

you can use the STM32F446RE Nucleo board's built-in PDM-to-PCM conversion feature. The STM32F446RE includes a Digital Filter for Sigma-Delta Modulators (DFSDM) that can handle PDM audio input.

Andrew Neil
Andrew Neil
Super User
November 4, 2024

If it's ant ST microphone, then ST probably provide STM32 examples ...

 

AndrewNeil_0-1730709506650.png

 

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