 User Interface | Human interface on STK600: |
| USB device descriptors for a single interface | The following structures provide the USB device descriptors required for USB Device with a single interface MSC |
| 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 |
 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 | |
| NVM driver | See Quick Start Guide for the XMEGA 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 |
| SPI - Serial Peripheral Interface | Driver for the Serial Peripheral Interface (SPI) |
| Common IOPORT API | See Quick start guide for the common IOPORT service |
| Memory Control Access | Common abstraction layer for memory interfaces |
| 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 |
| USB Stack | This stack includes the USB Device Stack, USB Host Stack and common definitions |
| USB Stack Device | This module includes USB Stack Device implementation |
| USB Device Controller (UDC) | The UDC provides a high-level abstraction of the usb device |
| Implementation of UDC | Internal implementation |
| USB Device Controller (UDC) - Prerequisites | Common prerequisites for all USB devices |
| USB Device Controller (UDC) - Example code | Common example code for all USB devices |
| USB Device Controller (UDC) - Workflow | Common workflow for all USB devices |
| USB Device Descriptor | |
| USB Device Driver (UDD) | The UDD driver provides a low-level abstraction of the device controller hardware |
| Xmega USB Device Driver | USBC low-level driver for USB Device mode |
 USB Device Interface (UDI) | The UDI provides a common API for all classes, and this is used by UDC for the main control of USB Device interface |
 USB interface descriptors | The following structures provide predefined USB interface descriptors |
| Interface with USB Device Core (UDC) | Structures and functions required by UDC |
| Implementation of UDI MSC | Class internal implementation |
| Atmel USB Identifiers | This module defines Atmel PID and VIDs constants |
| USB Protocol Definitions | This module defines constants and data structures provided by the USB 2.0 specification |
| USB Mass Storage Class (MSC) protocol definitions | |
| SCSI Block Commands protocol definitions | |
| SCSI Primary Commands protocol definitions | |
| 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