2、单片机最小系统、LED显示电路。利用Protel99SE电路设计软件进行原理图设计,PCB布线。关键词:单片机;最小系统;Protel;按键;LED显示桂林电子科技大学实训报告用纸第1页AbstractSingle chip microcomputer system, has a great significance to beginners who learn SCM or developers . His small size,low cost,feature strong,smart widely used in industrial automatio
3、n products and on.The 51 single-chip MCU is the most typical and most representative one.The practical training through its study and application in order to reach the study,design,development software and hardware.Circuit board of Sing-le chip microcomputer system is very popluar
4、in SCM development market and coll-ege students 'electronic design. This course includes the AT89S51 microcomputer system, LED display circuit.Use Protel circuit design software do some schematic design and PCB layout.Key words:SCMsingle chip machine; MicrocomputerSystem; Protel9
5、9SE; key; LED display;桂林电子科技大学实训报告用纸第1页目录引言11.设计题目12.设计目的13.系统硬件图23.1二进制加法顺序显示控制的硬件电路原理图23.2PCB如下图34.程序流程图45系统说明与分析55.1系统主要组成部分55.2演示部分55.3发光二极管的介绍55.4单片机最小系统部分75.5电路板的制作115.5.1图面设置:125.5.2放置元件:125.6系统连线说明分析126源程序13结论151PCB布线总结152心得总结16谢辞17参考文献18附录19桂林电子科技大学实训报告用纸第1页桂林电子科技大学实训报告用纸第1