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Atmel offers solutions for digital audio, including the industry's most robust touch sensor technology. Atmel provides both Atmel AVR® 8- and 32-bit microcontrollers supporting Radio Frequency for Consumer Electronics (RF4CE). Protect your intellectual property (IP) against cloning, counterfeiting and other security breaches and securely manage third-party licensing agreements with the Atmel CrytoAuthentication family of hardware authentication solutions. Through our partners, we provide Wi-Fi and Bluetooth, including the industry's smallest WLAN module and switching amplifier solutions.


See also the Audio section in the Audio and Home Entertainment application pages.

Atmel Products

MicrocontrollerHardware SecurityPower management, Audio CodecMemory
ARM-Based Solutions: SAM3U

AVR UC3 Audio Series
CryptoAuthenticationAnalog Companions

Learn more about the Atmel solution Application Notes, Devices, and Tools and Software.

Reference Designs

[ - ] Audio Recorder with MEMS Microphone Sensor Reference Design

Abstract: 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.

Key Features:

  • 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

Related Files:

Atmel Devices:

[ - ] USB High Speed Device Mass Storage on SD/MMC Card with AES

Abstract: This reference design demonstrates a USB Mass Storage device based on AT32UC3A3, featuring High-peed USB for communication and a SD/MMC-card for storage. When enabled, AES encryption/decryption can secure the data from unauthorized access.

Key Features:

  • High-Speed USB interface between MCU and PC
  • SD/eMMC interface between MCU and SD card
  • USB MSC Device class support
  • Optional hardware encryption/decryption of data

Related Files:

Atmel Devices: