Mems microphone and stm32 f4 boards

[Alex_reynold]

Hi  techteam,

Please provide and reference code example or community project which contains how to interfaces st pdm microphones with pdm /i2s/Sai peripheral of nucleo f446re board.

Please note I have already went throught the appnote an5027.

Waiting for positive reply.

Best regards,

Alex

[Alex_reynold]

Thank you I am able to flash the code.in audacity it is detecting as stereo

Now I am using eval board inmp621 digital pdm mems microphone(tsk invense).where to connect pdm data and pdm clk pin of mems microphone to nucleo board.i checked in the code ,not found .

[Andrew Neil]

To the PDM input pins?

[Alex_reynold]

Actualy in that app note they have explained generally.thing is stm32wb55board has all 3. Peripherals i2s spi Sai and pdm so through which peripheral  microphone is interfaced with board and pin name also.

[Alex_reynold]

for wb55rg board, please let me know which pin is programmed for PDM peripherals(data and clock)

[Andrew Neil]

They're all available - you choose which one is most appropriate your particular application!

[Andrew Neil]

See the board's User Manual, and/or the Schematics.

[Alex_reynold]

It would be great if u provide precisie screenshot instead of advising to go with entire docx.it will save both of us time