STM32L476G-DISCO datasheet(19/37 Pages) STMICROELECTRONICS

Part #	STM32L476G-DISCO

Description	STM32CubeL4 demonstration firmware for 32L476GDISCOVERY discovery kit

PDF	37 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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UM1919

Demonstration functional description

4.4.3

Audio record

Overview

The audio record module application (Record) allows to demonstrate the audio recording

capability of the STM32L476G discovery board thanks to the MP34DT01 embedded digital

microphone.

Figure 12. Audio record application menu selection

Features

•

48 kHz audio recording in .wav format.

•

Audio file stored in the Quad-SPI Flash memory (N25Q128A13)

The LED LD5 blinks continuously during the recording. Press the joystick LEFT key to stop

recording and exit from the application mode. Use player application to playback the audio

recording samples.

Architecture

Figure 13 shows the different audio player parts and their connections and interactions with

the external components.

Figure 13. Audio recorder architecture

STM32L476G-DISCO Datasheet(PDF) 19 Page - STMicroelectronics