The Universal Asynchronous Receiver Transmitter features a two-pin UART that can be used for communication and trace purposes and offers an ideal medium for in-situ programming solutions
The sleep manager is a service for ensuring that the device is not put to sleep in deeper sleep modes than the system (e.g., peripheral drivers, services or the application) allows at any given time
ASF specific FreeRTOS functionality that integrates ASF driver libraries with FreeRTOS services to provide a set of highly efficient peripheral interface functions
This driver for Atmel® | SMART ARM®-based microcontrollers provides an interface for the configuration and management of the the Peripheral Direct Memory Access (DMA) Controller (PDC) module