led点阵动画显示控制的vhdl程序实现

led点阵动画显示控制的vhdl程序实现

ID:796717

大小:1.49 MB

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时间:2017-09-05

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1、毕业设计说明书学生姓名:赵理学号:20077435系部:理工系专业年级:07级电子信息工程题目:LED点阵动画显示控制的VHDL程序实现指导教师:贺泽凡评阅教师:2011年5月02日中文摘要主要研究基于VHDL的LED点阵动画显示。首先描述了基于现场可编程门阵列(FPGA)的硬件电路,以及点阵显示汉字的原理;然后在单个16×16LED发光二极管点阵上滚动汉字的原理;最后给出了描叙其功能的VHDL语言程序设计方法。通过编程、调试、仿真、下载正确地实现了汉字滚动动画显示扫描结果,其硬件系统的实验验证也获得

2、了软件模拟仿真结论相吻合的结果。关键词:LED点阵;FPGA;VHDL语言;动画显示外文摘要Title:LEDdotmatrixdisplayandcontroloftheVHDLanimationprogramrealizationAbstractThedesignofthissubjectmainlyresearchesChinesecharactersscrollingdisplayonLEDdotmatrixscreenbasedonFPGAandVHDL.Thisarticlefirstly

3、describesthehardwarecircuitbasedonlogiccellarray,aswellastheprincipleofChinesecharactersdisplayonLEDdotmatrix.Finally,thearticlegivesthemethodofVHDLdesignwhichdescribesthefunction.ThisdesignrealizestheresultsofChinesecharactersscrollingandscanningcorrec

4、tlybyprogramming,debugging,sinulationanddownload,Alsotheexperimintalverificattionofhardwaresysternshasreceivedtheconclusionsinaccordancewiththeresultsofsoftwaresimulation.Keywords:LEDdotmatrix;FPGA;VHDL;Chinesecharactersscrollingdisplay目次1引言············

5、················································12设计方案························································22.1方案一························································22.2方案二························································22.3方案比较·········

6、·············································33扫描控制模块·····················································43.1LED点阵原理···················································43.2汉字的存储····················································43.3汉字的显示···············

7、·····································63.4滚动速度的控制················································64VHDL语言程序设计···············································74.1扫描频率控制的部分关键程序····································74.2单个汉字扫描的部分关键程序····························

8、········74.3汉字滚动速度控制的部分关键程序································95系统调试·······················································115.1开发环境介绍·················································115.2调试、仿真与体会····································

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