4、tmatrixdisplay,andtheprinciplefunctionofthevariouspartsofthecircuit,thecorrespondingsoftwareprogramdesign and the use of some such.Thewholeequipmentiswiththe40-pinAT89C51MCU(MicroControllerUnit)producedbytheAmericanATMELcompanyatthecore,introducedtakeitasthecontrolsystemLEDlatticeelectrondisp
5、laymonitordynamicdesignandthedevelopmentprocess.Controlsgooddriver74HC154andtworowdriver74H-C595throughthischipactuatesthedisplaymonitordemonstration.SCM process c-ontrol system used for editing MCU C language, Programming cont-rol points indicate-d by the corresponding LED anode and overcast
6、 extreme level. We c-an effectively cont-rol the defense showed bright spots. The lattice data shows characters can prepare themselves (that is, direct lattice Painting), which can also be extracted from the standard fon-t.ThroughtheSystemdebugging, thisdesignmeetsthebasic requirements.Key wo
7、rds:Micro Controller Unit, Latticedrive, Lattice display40目录第一章绪论11.1课题背景11.2选题意义21.3研究现状及发展趋势21.3.1单片机的发展历史和发展方向21.3.2单片机的应用31.3.3LED显示屏产业现状及发展趋势41.4功能要求及方案论证51.4.1功能要求51.4.2显示模式方案论证51.4.3显示数据传输方案论证6第二章系统硬件电路的设计72.1设计框图及介绍72.2控制电路模块82.2.1单片机