问题补充说明：随着材料科学、工艺技术、计算机技术的发展与进步，电路系统向着集成度极高的方向发展。CPU的生产制造技术，也朝着综合性、技术性、实用性发展。如CPU的运算位数从4位、8位 ……到32位机的发展，运算速度从8 MHz、32 MHz……到1.6GHz。可以说是日新月异的发展着。其中单片机在控制系统中的应用是越来越普遍了。单片机控制系统是以单片机（CPU）为核心部件，扩展一些外部接口和设备，组成单片机工业控制机，主要用于工业过程控制。要进行单片机系统设计首先必须具有一定的硬件基础知识；其次，需要具有一定的软件设计能力，能够根据系统的要求，灵活地设计出所需要的程序；第三，具有综合运用知识的能力。最后，还必须掌握生产过程的工艺性能及被测参数的测量方法，以及被控对象的动、静态特性，有时甚至要求给出被控对象的数学模型。单片机的开发与应用必须借助于单片机开发系统来完成，换句话说，没有单片机开发系统，单片机不可能得到应用。此开发系统是以8031为核心的单板系统。因此它既是开发系统又是典型的MCS-51单片机的应用系统，是MCS-51单片机软、硬件知识的综合体。它包括数据存储扩展，程序存储扩展，串行I/O口应用，数字显示等电路硬件结构。本文着重讨论以LED数码管作为输出设备的单片机控制系统的设计与实现。首先对绘制电路原理图和PCB图的工作环境PROTELL33作了详细的介绍，然后在分析硬件结构的同时对所用到的8031、74LS373的工作原理也作了分析， LED数码管显示器的工作原理进行了详细的介绍。在此基础上设计出硬件电路。最后借助仿真器对硬件电路和相关软件进行综合调试。从而完成了利用8031开发了红外遥控信号解码控制电路的研制。共分为四章，第一章：红外遥控的初步认识、第二章红外遥控系统的构成原理、第三章 PROTEL99SE简介及应用、第四章 红外遥控信号解码控制电路的设计原理。 关键词： 8031 单片机 输出控制 显示驱动 编码与解码
来自With the development and progress of material science, technology, computer tech360问答nology, circuit system toward the development of highly integrated direction. CPU manufacturing technology, towards a comprehensi汉断沿师ve, techni术占离年假析更露机频cal, practical development. Such as CPU bits from the 4, 8...... Development to the 32 bit m朝三川准认究achine, spe够几免之或ed of operation from 8 MHz, 32 MHz...... To 1.6GHz. Can be sai价面编介d to be change rapidly development. The application of single chip microcomputer in t铁致站组氧制但肉固河一he control system is more and more common. SCM control system is based on the microcontroller (CPU) as the c种很星息往件斗层ore components, the extension of some external interface and equipment, SCM industrial control machine, mainly used for industrial process control. To the MCU system design must have some basic knowledge of hardware; secondly, need to have the ability t表讲满胡成升古规o design software, can acco克称抓优杀刚资带奏rding to the req新uirement of the system, the fle让希兴客前百xibility to des准ign the progr响am; third, with the integrated use of knowledge. Finally, we must master the process performance measurement method of production process and the measured p质时府守打烈乎陆arameters, dynamic, stat秋情ic characteristic as well as the controlled object, and sometimes even give the mathematical model of the controlled object. Development and application o制司背环f SCM must be based on MCU development system to complete, in other words, no single chip microcomputer development system, SCM can not be applied. This system is the single board system with 8031 as the core. So it is the development system is the typical application system of MCS-51 MCU, MCS-51 chip is soft, the hardware knowledge. It includes data stor批频接核掌宣干量易什age expansion, program memory expansion, I/O serial port application, digital display circuit. This paper discusses the design and i洋析同岁零脱mplementation of LED digital tube as the output device of single chip computer control system. First to draw schematic and PCB circuit diagram of the working environment of PROTELL33 in detail, and then the analysis of the hardware structure and working principle of the 8031, 74LS373 are analyzed, the working principle of the LED digital tube display are described in detail. Based on the design of hardware circuit. Finally using the simulator for debugging of the hardware circuit and software. Thus the completion of the use of 8031 the development of infrared remote control signal used to control circuit and decoding. Is divided into four chapters, the first chapter: preliminary understanding, the second chapter of infrared remote control infrared remote control system, the third chapter, the fourth chapter introduction and application of PROTEL99SE infrared remote control signal decoding design principle of the control circuit. Keywords: 8031 single output control display driver coding and decoding
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