5.6. Audio V2 Microphone and Speaker (FreeRTOS)

5.6.1. Overview

This example project shows USB Audio V2 speaker and microphone device.

  • PC sees a CherryUSB speaker and microphone via Device Manager

5.6.2. Board Setting

  • Connect a USB port on PC to the PWR DEBUG port on the development board with a USB Type-C cable

  • Connect a USB port on PC to one of USB port on the development board with a USB Type-C cable

  • Connect speaker to DAO interface

5.6.3. Running the example

  • Download the program and run. The computer can automatically recognize and install the USB audio driver and enumerate a device with a speaker device and a microphone device.

  • Select the speaker device as the default player, and the PC will play audio through the DAO interface

  • Select the microphone device as the default audio input device, and the PC will input audio through the PDM interface.