 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 | |
| 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 |
| PWM - Pulse Width Modulation | Pulse Width Modulation (PWM) Software Driver for modules below revision v4.0.0 |
| Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
1.8.5