Virtual Memory in RAM | The component manages a disk on a volatile memory (internal RAM) |
FatFS file system service | Service of FatFS file system |
Port of low level driver for FatFS | Low level driver for FatFS |
Standard I/O (stdio) | Common standard I/O driver that implements the stdio read and write functions on AVR and SAM devices |
 Standard serial I/O (stdio) | Common standard serial I/O management driver that implements a stdio serial interface on AVR and SAM devices |
XMEGA-A1 Xplained Board Configuration | |
Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
XMEGA compiler driver | Compiler abstraction layer and code utilities for 8-bit AVR |
 Assembler Support | This group provides a good handful of macros intended to smooth out the differences between various assemblers, similar to what compiler.h does for compilers, except that assemblers tend to be much less standardized than compilers |
 Macro Repeat | |
 Stringize | |
 Token Paste | |
 Program memory | |
 Status Codes | |
Global interrupt management | This is a driver for global enabling and disabling of interrupts |
 Deprecated interrupt definitions | |
Atmel part identification macros | This collection of macros identify which series and families that the various Atmel parts belong to |
 AVR UC3 parts | |
 AVR XMEGA parts | |
 megaAVR parts | |
 SAM parts | |
General Purpose Input/Output | This is the common API for GPIO |
Common IOPORT API | See Quick start guide for the common IOPORT service |
Memory Control Access | Common abstraction layer for memory interfaces |
Data in Huge Data Memory Space | Due to shortcomings of the GCC compiler for 8-bit AVR, custom functions are needed for access to data beyond the 64 kB boundary, i.e., addresses that are larger than 16-bit |
 Hugemem implementation for 8-bit AVR. | |
 Generic hugemem implementation. | |
Calendar service | See Quick start guide for Calendar service |
Real Time Counter (RTC) | See Quick start guide for RTC driver |
Clock Management | |
 Generic Clock Management | Generic clocks are configurable clocks which run outside the system clock domain |
 Oscillator Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip oscillators |
 PLL Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip PLLs |
 System Clock Management | See Quick Start Guide for the System Clock Management service (XMEGA) |
Configuration Change Protection | See Quick start guide for CCP driver |
XMEGA reset cause | See reset_cause_quickstart |
Sleep manager | 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 |
Sleep controller driver | This is a low-level driver implementation for the AVR XMEGA sleep controller |
Serial Interface (Serial) | See Quick start guide for Serial Interface service |
USART module (USART) | See Quick start guide for USART module |
Programmable Multilevel Interrupt Controller | See Quick start guide for PMIC driver |
Test Suite Framework | This module is the test suite framework, which provides a set of standard functions and macros for defining and running test suites |
External Bus Interface (EBI) | See Quick Start Guide for the XMEGA EBI Driver |
 EBI port/pin configuration | This is a driver for configuring the external bus interface port |