基于单片机的串口模拟设计与实现  

Design and Implementation of Serial Port Simulation Based on Microcontroller

作　　者：程建国 叶劲龙 李辉 徐京生 程显峰 古泽军 CHENG Jianguo;YE Jinlong;LI Hui;XU Jingsheng;CHENG Xianfeng;GU Zejun(Holley Technology Co.,Ltd.,Hangzhou 310023,China;Dongguan Power Supply Bureau of Guangdong Power Grid Co.,Ltd.,Dongguan 523000,China)

机构地区：[1]华立科技股份有限公司,浙江杭州310023 [2]广东电网有限责任公司东莞供电局,广东东莞523000

出　　处：《电工技术》2024年第10期164-165,169,共3页Electric Engineering

摘　　要：首先,介绍GPIO管脚模拟串口通信的原理和优缺点,并对串口通信的基本概念和原理进行了简要介绍。然后,介绍如何通过8051单片机的GPIO管脚实现串口通信,包括波特率的设置、数据格式的定义、发送和接收数据的过程等。最后,讨论常见的问题和注意事项,以及如何在实际应用中选择合适的参数和设备,以提高系统的可靠性和稳定性。This paper first principle,advantages and disadvantages of GPIO pin simulation serial communication are outlined,including basic concepts and principles of serial communication.It then describes the implementation process of serial communication through the GPIO pins of the 8051 microcontroller,involving setting baud rate,defining data format,and sending and receiving data.It ends with a discussion on common issues and precautions,as well as appropriate selection of parameters and equipment in practical applications to improve system reliability and stability.

关 键 词：8051单片机 GPIO管脚 模拟串口 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]