Introduction

This reference design demonstrates an audio recorder based on Atmel® SAMG53 microcontroller and two digital MEMS microphone sensors. The design enables users to easily experience stereo/mono audio data acquisition and storage for further processing via I2S or PDM interface.

Ключевые особенности

  • Audio acquisition via two MEMS microphone sensors
  • 16KHz Stereo Audio through PDM interface
  • PDM-to-PCM conversion by on-chip PDM interface controller
  • Store audio data into SD-card memory