Microchip Technology Inc

Advanced Software Framework (ASF)

The Advanced Software Framework (ASF) is an MCU software library providing a large collection of embedded software for AVR® and SAM flash MCUs and Wireless: megaAVR®, AVR XMEGA®, AVR UC3, SAM devices, ATWINC, ATWILC and ATBTLC.


  • Simplifies the usage of microcontrollers and wireless, providing an abstraction to the hardware and high-value middleware
  • Designed to be used for evaluation, prototyping, design and production phases
  • Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC and IAR compilers
  • ASF is available as free download