led点阵广告牌设计本科论文.doc

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2、bbbbbagraphFoLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFo

3、rmatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelec基于单片机的Led点阵广告牌设计目录1LED概述61.1LED电子显示屏概述61.2LED电子显示屏的分类62

4、显示原理及控制方式分析72.1LED点阵模块结构72.2LED动态显示原理72.3LED常见的控制方式83硬件电路设计103.1系统硬件概述103.216×16LED点阵显示制作113.2.116×16LED点阵的内部结构及工作原理113.2.2用8×8LED点阵构成16×16LED点阵123.3主控单片机的接口说明143.4LED显示驱动电路144字模生成164.1字模简介164.1.1LED显示屏领域字模实现技术164.1.2软件控制系统字模提取的分析与设计164.2字模存储技术17SelectionParagraphFormatLineSpacingLinesToPointsS

5、electionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesTSelectionParbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbagraphFoLineSpacingLinesToPointsSelectionPar

6、agraphFormatLineSpacingLinesToPointse11111111111111111111111111111111lectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraphFormatLineSpaci2222222222222222222222ngLinesToPoints2SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFor

7、matLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelecSelectionParagraphFormatLineSpacingLine