ATMEGA32U4-AU Atmel, ATMEGA32U4-AU Datasheet
ATMEGA32U4-AU
Specifications of ATMEGA32U4-AU
ATMEGA32U4-16AU
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ATMEGA32U4-AU Summary of contents
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... Introduction This document describes a simple audio project. It allows to quickly test USB hard- ware using the ATMega32U4 without any driver installation. The reader should be familiar with USB Software Library for AT90USBxxx Microcon- trollers (doc 7675, included in the CD-ROM & Atmel website) and the AUDIO specification (http://www.usb.org/developers/devclass_docs/audio10.pdf). ® ...
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... ME, 2000, XP), Linux (1) help content to see how to install the USB driver and program the device 1. FLIP is software provided by atmel to allow the user to program the Atmel devices through the USB interface (No external hardware required) thanks to the factory DFU bootloader. ® ® ...
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... Quick Start Once your device is programmed with EVK527-ATMega32U4-usbdevice_audio.a90 or EVK527- ATMega32U4-usbdevice_audio.hex file, you can start the audio demonstration. Check that your device is enumerated as an audio controller (see figure 11), then you can use the kit as an audio speaker and audio microphone. Figure 4-1. ...
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Application Overview The USB audio application manages the data exchange between the PC and the PWM hard- ware (speaker) and ADC hardware (microphone). When a sound is played on the PC, the USB device receives a periodic unsynchronized OUT ...
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Firmware As explained in the USB Software Library for AT90USBxxx Microcontrollers document (doc 7675) all USB firmware packages are based on the same architecture. This section is dedicated to the audio module only. The customization of the files described ...
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This file contains : • timers initialization • timers interrupts • routines which collect and put audio data Speaker The main audio task gets the audio samples from endpoint OUT and put it in the RAM buffer. The ...
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The audio topology, which is put in USB descriptor, is explained in the AUDIO specification (http://www.usb.org/developers/devclass_docs/audio10.pdf). The audio topology chose for this demo is described in the following figure. Figure 6-3. Input Terminal N°1 1 channel USB stream ...
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... Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDI- TIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...