| ASF | Atmel Software Framework |
| ABM | Automated Bit Mapping |
| ACM | Automated Character Mapping |
| Atmel Studio | Integrated Development Environment (IDE) for Atmel Microcontrollers |
| CDC | USB Communication Device Class |
| CLK | Clock |
| COM | Common |
| CTRL | Control |
| DMAC | DMA (Direct Memory Access) Controller |
| EDBG | Embedded Debugger |
| EVSYS | Event System |
| GPIO | General Purpose Input/Output |
| IDE | Integrated Development Environment |
| NVIC | Nested Vectored Interrupt Controller |
| PM | Power Manager |
| SERCOM | Serial Communication Interface |
| SEG | Segment |
| SLCD | Segmented Liquid Crystal Display |
| SRAM | Static Random-Access Memory |
| USART | Universal Synchronous and Asynchronous Serial Receiver and Transmitter |