一 摘要

单片计算机即单片微型计算机。（Single-Chip Microcomputer ）,是 集CPU ,RAM ,ROM ,

定时，计数和多种接口于一体的微控制器。他体积小，成本低，功能强，广泛应用于智能产

品和工业自动化上。而51 单片机是各单片机中最为典型和最有代表性的一种。这次毕业设

计通过对它的学习，应用，从而达到学习、设计、开发软、硬的能力。

电信类的论文 毕业设计之用-Abstract Single-chip computer One-chip micro-computer. (Single-Chip Microcomputer), is a CPU, RAM, ROM, timing, counting and multiple interfaces in one microcontroller. His small size, low cost, powerful, widely used in intelligent products and industrial automation. And 51 single-chip single-chip microcomputer is the most typical and most representative one. The Graduation Project, through its study and application to achieve the study, design, development software and hardware capabilities. Telecom thesis graduation project for use