4. 术语表

表 4.1 术语表

缩写	全称
ACS	Access Control Services，访问控制服务
AER	Advanced Error Reporting，高级错误报告
AMBA	Advanced Microcontroller Bus Architecture，高级微控制器总线架构
APB4	Advanced Peripheral Bus 4，高级外设总线4
ASPM	Active State Power Management，活动状态电源管理
ATS	Address Translation Services，地址转换服务
AXI4	Advanced eXtensible Interface 4，高级可扩展接口4
CIM	Computing In Memory，存内计算
CRC	Cyclic Redundancy Check，循环冗余校验
CTC	Chip-to-Chip Communication，芯片间通信
DDR	Dual Data Rate，双倍数据速率
DFS	Dynamic Frequency Scaling，动态频率调节
DMA	Direct Memory Access，直接内存访问
DVFS	Dynamic Voltage and Frequency Scaling，动态电压与频率调节
ECC	Error-Correcting Code，纠错码
FIFO	First In, First Out，先进先出
GPIO	General Purpose Input/Output，通用输入输出
I2C	Inter-Integrated Circuit，集成电路间总线
IPU	Intelligence Processing Unit，智能处理单元
LPDDR5	Low Power Double Data Rate 5，低功耗双倍数据速率内存5
MSI	Message Signaled Interrupt，消息信号中断
MSI-X	Message Signaled Interrupt eXtended，扩展消息信号中断
NAS	Network Attached Storage，网络附加存储
NOC	Network-on-Chip，片上网络
NOR	Not-AND Flash Memory，NOR闪存
OTP	One-Time Programmable，一次性可编程
PCI-PM	Peripheral Component Interconnect Power Management，PCI电源管理
PCIe	Peripheral Component Interconnect Express，高速外围组件互连
PCU	Power Control Unit，电源控制单元
PMBus	Power Management Bus，电源管理总线
PMIC	Power Management Integrated Circuit，电源管理集成电路
PMU	Power Management Unit，电源管理单元
POR	Power-On Reset，上电复位
PLL	Phase-Locked Loop，锁相环
PWM	Pulse Width Modulation，脉冲宽度调制
QSPI	Quad Serial Peripheral Interface，四路串行外设接口
SCL	Serial Clock Line，串行时钟线
SDA	Serial Data Line，串行数据线
SDR	Standard Data Rate，标准数据速率
SFI	Serial Flash Interface，串行闪存接口
SPI	Serial Peripheral Interface，串行外设接口
SRAM	Static Random Access Memory，静态随机存取存储器
SRIS	Separate Reference Clock for Single Data Rate Interface，单独参考时钟的单数据速率接口
SoC	System on Chip，系统级芯片
TAR	Target Address Register，目标地址寄存器
THRE	Transmitter Holding Register Empty，发送保持寄存器空
TIM	Tightly Coupled Memory，紧耦合存储器
TOPS	Tera Operations Per Second，每秒万亿次运算
UART	Universal Asynchronous Receiver-Transmitter，通用异步收发器
WDT	Watchdog Timer，看门狗定时器
XIP	Execute In Place，芯片内执行