| Abbreviation | Definition |
|---|---|
| ANSI | American National Standards Institute |
| CPSR | Current Program Status Register |
| CPU | Central Processing Unit |
| DFC | Delayed Function Call |
| DLL | Dynamic Link Library |
| DSP | Digital Signal Processor |
| FIQ | Fast Interrupt reQuest |
| IRQ | Interrupt ReQuest |
| ISR | Interrupt Service Routine |
| LDD | Logical Device Driver |
| LR | Link Register |
| MMC | MultiMedia Card |
| MMU | Memory Management Unit |
| OBY | OBeY file (file type) |
| OMAP | Open Multimedia Application Platform |
| PC | Program Counter (also Personal Computer) |
| RAM | Random Access Memory |
| ROFS | Read Only File System |
| ROM | Read Only Memory |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SPSR | Saved Program Status Register |
| SRAM | Static Random Access Memory |
| SWI | Software Interrupt |
| UART | Universal Asynchronous Receiver/Transmitter |