 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 |
| 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 | |
| Common IOPORT API | See Quick start guide for the common IOPORT service |
| NVM service | See Quick Start quide for common NVM driver |
| NVM driver generic module handling | Support functions for the NVM driver |
| NVM driver signature handling | Handling of signature rows |
| NVM driver EEPROM handling | Functions for handling internal EEPROM memory |
| NVM driver flash handling | Functions for handling internal flash memory |
| NVM driver fuse and lock bits handling | Functions for reading fuses and writing lock bits |
| AT45dbx DataFlash component driver. | This is a driver for the AT45dbX series DataFlash memories |
| Serial Peripheral Interface (SPI) | This is the common API for SPI interface |
| XMEGA SPI master service. | This is the API for SPI master service on XMEGA |
| SPI - Serial Peripheral Interface | Driver for the Serial Peripheral Interface (SPI) |
| Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
| General Purpose Input/Output | This is the common API for GPIO |
1.8.5