 DISPLAY - LCD Display - DIP204B-4ORT01 | Driver for Ortek DIP204B-4ORT01 LCD module (4*20 characters) |
| GPIO - General-Purpose Input/Output | GPIO gives access to the MCU pins |
 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 | |
| PWM - Pulse Width Modulation | Pulse Width Modulation (PWM) Software Driver for modules below revision v4.0.0 |
| SPI - Serial Peripheral Interface | See Quick start guide for SPI driver on AVR32 devices |
| 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 |
| 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 (UC3A0/UC3A1) |
 System Clock internals | |
| MEMORY - FLASHC - Flash Controller | FLASHC interfaces a flash block with the 32-bit internal HSB bus |
| 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 |
| CPU - PM - Power Manager | The Power Manager (PM) controls the oscillators and PLLs, and generates the clocks and resets in the device |
| Power Clocks Library | |
| Power Manager (PM) | This is a stub on the AVR UC3 Power Manager(PM) for the sleepmgr service |
| Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
1.8.5