Advanced Software Framework v3 (ASF3)

The Advanced Software Framework version 3 (ASF3) provides software drivers and libraries to build applications for Atmel 8-bit and 32-bit microcontrollers. It has been designed to help develop and glue together the different components of software design. It can easily integrate into an operating system (OS) or run as a stand-alone product.

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Note: If you are starting a new design, you should use the MPLAB® Harmony software framework instead of ASF3.

The components of ASF3 are as follows:
Drivers Composed of the driver.c and driver.h files that provide low level register interface functions to access a peripheral or device-specific feature. The services and components will interface the drivers.
Services Provides more application-oriented software such as USB classes, FAT file system, architecture optimized DSP library, graphical library, etc.
Components Provides software drivers to access external hardware components such as memory (e.g., Atmel DataFlash®, SDRAM, SRAM, and NAND flash), displays, sensors, wireless, etc.
Boards Contains mapping of all digital and analog peripherals to each I/O pin of Atmel's development kits.

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