单片机数字电压表设计原稿及关键技术分析研究

摘要： 本文主要介绍了基于单片机的数字电压表的设计原理和实现过程。单片机是一种集成电路芯片，通过超大规模技术将具有数据处理能力的微处理器集成在一个芯片上。随着单片机技术的飞速发展，单片机已成为现代化科技水平的重要标志之一，能够实现智能化控制功能。本设计的课题为“简易数字电压表的设计”，旨在考核学生对单片机技术、编程能力以及实际应用能力的情况。主要解决了A/D转换、数据处理和显示控制等三个模块，采用了AT89C52单片机和ADC0809芯片。关键字包括单片机、AT89C52、A/D转换、ADC0809和数据处理。 Abstract: This paper mainly introduces the design principle and implementation process of a digital voltmeter based on a microcontroller. A microcontroller is an integrated circuit chip that integrates a processor with data processing capabilities through very large-scale technology. With the rapid development of microcontroller technology, it has become an important symbol of a country's modernization level and can achieve intelligent control functions. The topic of this design is "design of a simple digital voltmeter", aiming to assess students' understanding of microcontroller technology, programming capability, and practical application ability. It mainly solves three modules including A/D conversion, data processing, and display control, using AT89C52 microcontroller and ADC0809 chip. Keywords include microcontroller, AT89C52, A/D conversion, ADC0809, and data processing.