May 2017
DocID027905 Rev 4
1/20
www.st.com
UM1900
User manual
Getting started with the digital MEMS microphone expansion
board based on MP34DT01-M for STM32 Nucleo
Introduction
The X-NUCLEO-CCA02M1 is an evaluation board based on digital MEMS microphones. It is compatible
with the Morpho connector layout and is designed around STMicroelectronics MP34DT01-M digital
microphones. It has two microphones soldered on board and it is compatible with digital microphone
coupon boards such as STEVAL-MKI129Vx and STEVAL-MKI155Vx. The X-NUCLEO-CCA02M1
allows synchronized acquisition and streaming of up to four microphones through peripherals I²S, SPI or
DFSDM. It represents a quick and easy solution for the development of microphone-based applications,
as well as a starting point for audio algorithm implementation.
Figure 1: X-NUCLEO-CCA02M1 evaluation board
