Get Started

We'll tell you all you need to know to start evaluating and working with this product.


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