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 |
UC3-L0 Xplained Board Configuration | |
Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
Compiler abstraction layer and code utilities | Compiler abstraction layer and code utilities for 32-bit AVR |
 Preprocessor - Macro Repeat | |
 Preprocessor - Stringize | |
 Preprocessor - Token Paste | |
 Status Codes | |
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 | |
Global interrupt management | This is a driver for global enabling and disabling of interrupts |
 Deprecated interrupt definitions | |
GPIO - General-Purpose Input/Output | GPIO gives access to the MCU pins |
Sensors Xplained Extension Boards | This file contains definitions and services related to the features of the SENSORS_XPLAINED_XXX Xplained boards |
 Sensors Xplained Extension Board Configuration | The extension board configuration defines constants identifying the sensors, bus interface, I/O pin mappings, and sensor device signals from an Atmel Sensor board (ATAVRSBPR1 , ATAVARSBIN1 , ATAVARSBIN2 , and so on) to the development platform |
Clock Management | |
 DFLL Management | A Digital Frequency Locked Loop can be used to generate a highly accurate frequency from a slower-running reference clock, in much the same way as a PLL |
 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 |
 System Clock Management | See Quick Start Guide for the System Clock Management service (UC3L) |
  System Clock internals | |
FLASHCDW - FLASH Controller Double-Word | FLASHCDW interfaces a flash block with the 32-bit internal HSB bus |
MEMORY - EIC - External Interrupt Controller | EIC allows pins to be configured as external interrupts |
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 |
CPU - PM - Power Manager | The Power Manager (PM) provides synchronous clocks to the CPU and the modules and peripherals connected to the HSB and PBx buses |
 Power Clocks Library | |
Power Manager (PM) | This is a stub on the AVR UC3 Power Manager(PM) for the sleepmgr service |
CPU - SCIF - System Control Interface | Driver for the SCIF (System Control Interface) |
Serial Interface (Serial) | See Quick start guide for Serial Interface service |
USART - Univ. Sync/Async Serial Rec/Trans | Driver for the USART (Universal Synchronous Asynchronous Receiver Transmitter) |
Sensors Platform Board Configuration | Configuration constants defined for the platform are used to enable peripherals and map I/O pin interfaces between sensors and the development board they are paired with |
Sensor Device Stack | The sensor device service provides high-level interfaces and binary driver libraries for sensor devices on systems built around Atmel microcontrollers |
 Common Sensor API | |
Busy-Wait Delay Routines | This module provides simple loop-based delay routines for those applications requiring a brief wait during execution |
CPU - Cycle Counter | CPU Cycle Counter provides an interface to the COUNT and COMPARE registers |
Two Wire-interface(TWI) | This is the common API for TWIs |
TWI - Two-Wire Master Interface | Driver for the TWIM (Two-Wire Master Interface) |
INTC Software Driver API for AVR UC3 | This is a software module to register interrupt handlers at any specified interrupt level to any interrupt line managed by the INTC module in AVR UC3 devices |