The AVR UC3 L0 series datasheet
The AT32UC3L-EK Schematics
AVR32777: AT32UC3L-EK Getting Started Guide
The 32-bit AVR UC3 L series Schematic Checklist
The AVR Software Framework
All pre-loaded firmware source code is available in the AVR Software Framework version 2.0 or higher.
The AVR UC3 UART Boot loader
The Atmel QTouch Library
QTouch Studio
Debuggers