V2EX uart

Uart

Definition / 释义

UART 是“通用异步收发器”(Universal Asynchronous Receiver-Transmitter)的缩写,指一种常见的串行通信硬件/接口,用于在设备之间以异步方式发送与接收数据(常见于单片机、传感器、调试串口等场景)。除通信含义外,它也常被用来指代具体的“串口引脚/串口模块”。

Pronunciation / 发音

/ju r ti/

Examples / 例句

The GPS module sends data to the board through UART.
GPS 模块通过 UART 把数据发送到开发板。

To debug the firmware, we logged sensor readings over UART at 115200 baud and parsed the stream on a laptop.
为了调试固件,我们用 115200 波特率通过 UART 记录传感器读数,并在笔记本电脑上解析数据流。

Etymology / 词源

UART 来自首字母缩略词 Universal Asynchronous Receiver-Transmitter,直译为“通用的、异步的、接收器-发送器”。其中 asynchronous(异步)表示通信双方不需要共享连续时钟信号,而是通过起始位/停止位等方式来对齐数据帧。

Related Words / 相关词

Notable Works / 著名作品

  • The Art of Electronics(Horowitz & Hill)在数字接口与串行通信相关章节中常会提到 UART 等概念与应用场景。
  • Embedded Systems: Introduction to ARM CortexM Microcontrollers(Jonathan Valvano)讨论微控制器外设时涉及 UART/串口通信用于调试与数据传输。
  • Designing Embedded Hardware(John Catsoulis)在嵌入式硬件接口与系统互连内容中包含 UART 的使用与注意事项。
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