The Atmel® Software Framework (ASF) is a collection of embedded software for Atmel flash MCU (www.atmel.com/asf).
» It simplifies the usage of microcontrollers, providing an abstraction to the hardware and high-value middlewares
» ASF is designed to be used for evaluation, prototyping, design and production phases
» ASF is integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers
» ASF can be downloaded for free