UM1900 Datasheet, PDF (2/19 Pages) STMicroelectronics – Getting started with the digital MEMS microphones expansion board based on MP34DT01-M for STM32 Nucleo

Contents
Contents
UM1900
1 Getting started ................................................................................. 5
1.1 Hardware requirements..................................................................... 5
2 System requirements ...................................................................... 6
3 Hardware description ...................................................................... 7
3.1 Nucleo 144 support ........................................................................... 7
3.2 USB connector and power source..................................................... 8
3.3 Audio acquisition strategy ................................................................. 8
3.3.1 DFSDM microphone acquisition ......................................................... 8
3.3.2 I²S and SPI microphone acquisition ................................................... 8
3.4 Solder bridge configurations.............................................................. 9
3.4.1 Solder bridge roles ............................................................................. 9
3.4.2 Sample use cases ............................................................................ 10
4 Connectors .................................................................................... 14
5 Board schematics.......................................................................... 15
6 Layout ............................................................................................ 17
7 Revision history ............................................................................ 18
2/19
DocID027905 Rev 3