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priya_12
Associate II
April 18, 2025
Solved

Microphones (ST-MEMS) part number used in STM32H757I-EVAL

  • April 18, 2025
  • 1 reply
  • 444 views

Hi,
I am working on a project using STM32H757I-EVAL. I wanted to know what the model number of the microphone present in STM32H757I-EVAL. In the user manual, I could just find it as ST-MEMS digital microphones. Also, does it support external microphones? If so, how many can be used?

This topic has been closed for replies.
Best answer by mƎALLEm

Hello @priya_12 and welcome to the ST community,

You can refer to the STM32H757I-EVALschematics:

mALLEm_0-1744975338361.png

The datasheet of the microphones: MP34DT05 

I think you cannot use other mics in parallel with those available on the board:

mALLEm_1-1744975810951.png

You need to remove SB54 and SB55 solder bridges to use other Mics on CN25 and CN26:

The Coupon connectors on the board:

mALLEm_0-1744975708479.png

Hope that answers your question.

1 reply

mƎALLEm
mƎALLEmBest answer
ST Technical Moderator
April 18, 2025

Hello @priya_12 and welcome to the ST community,

You can refer to the STM32H757I-EVALschematics:

mALLEm_0-1744975338361.png

The datasheet of the microphones: MP34DT05 

I think you cannot use other mics in parallel with those available on the board:

mALLEm_1-1744975810951.png

You need to remove SB54 and SB55 solder bridges to use other Mics on CN25 and CN26:

The Coupon connectors on the board:

mALLEm_0-1744975708479.png

Hope that answers your question.

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