| 缩略语 | 定义 |
| ECC | 纠错码 |
| CPU | 中央处理单元(MCU的一部分) |
| CRC | Cyclic Redundancy Check 循环冗余校验 |
| DED | 双重错误检测 |
| SEC | 单错误校正 |
| DTCM | 数据紧耦合存储器 |
| ITCM | 指令紧耦合存储器 |
| ISR | 中断服务程序 |
| MCU | 微控制器单元 |
| MDMA | 主存储器直接存取 |
| POR | 上电复位 |
| RAM | 随机存取存储器 |
| SRAM | 静态 RAM |
| RWW | 同时读写(Read While Write) |
| DFT | Design For Test |
| I2C | Inter Integrated Circuit |
| SPI | Serial Peripheral interface |
| I3C | Improved Inter Integrated Circuit |
| SMP | 对称多处理器(Symmetrical Multi-Processing) |
| SDR | 单数据速率(Single Data Rate ) |
| DDR | 双倍数据速率(Double Data Rate ) |
| RDP | Read Protection |
| WDP | Write Protection |
| PPC | Peripheral access Permisson Controller |
| LDO | Low Dropout Regulator(低压差线性稳压器) |
| ISP | In-System Programming: In-System programming (ISP) is programming or reprogramming the on-chip flash memory, using the boot loader software and USART, I2C, or SPI serial port. This can be done when the part resides in the end-user board. |
| IAP | In Application Programming: In-Application (IAP) programming is performing erase and write operation on the on-chip flash memory, as directed by the end-user application code. |
| RCG | Reference Clock Generator |
| ISA | Instruction Set Architecture(指令集体系结构) |
| CSR | Control and Status Register |
| Pipeline Flush | 流水线冲刷 |
| IF | Instruction Fetch 指令取指 |
| ID | Instruction Dcode 指令译码 |
| BPU | breakpoint unit (BPU) |
| RAS | Return Address Stack |
| RISC | Reduced Instruction Set Computer |
| CISC | Complex Instruction Set Computer |
| OTP | One-Time Programmable (OTP) ROM |
| Idiom Recognition | Idiom Recognition |
| DMIPS | Dhrystone Million Instructions executed Per Second |
| IPS | Instructions executed Per Second |
| MIPS | Million Instructions executed Per Second |
| RAW | read-after-write |
| ESD | Electro-Static discharge |
| Tsu | 建立时间(Tsu:set up time) |
| Th | 保持时间(Th:hold time) |
| MPC | Memory Protection Controller (MPC) |
| PPC | Peripheral Protection Controller (PPC) |
| BOD | Brown-out detect |
| JTAG | Joint Test Action Group |
| SWD | Serial Wire Debug |
| DUT | Device Under Test(被测设备) |
| PIC, PID | Position-independent code, position-independent data. |
| DDF | IAR device description file format |
| SFE | section end |
| DCD | Device Configuration Data |
| XIP | Excute In Place |
| HAL | Hardware Abstraction Layer |
| PDL | Peripheral driver library |
| PE | Processing Element |
| PPB | Private Peripheral Bus |
| RTL | Register Transfer Level |
| HMI | human-machine interfaces |
| CPI | Cycle per Instruction |
| RCP | Reference Clock Period |