基于单片机的指纹模块检测工装设计

毕业设计（论文）基于单片机的指纹模块检测工装设计TheSystemDesignDetectingofFingerprintModuleBasedonSingle-chipMicroprocessorI：敖玉华：电气与信息学院：自动化：0442：冯雷：副教授：2008年6月17日学生姓名所在院系所学专业所在班级指导教师教师职称长春工程学院摘要指纹识别技术是目前国际公认的应用广泛、价格低廉、易用性高的生物认证技术。指纹只是人体皮肤的小部分，但是它却蕴涵了大量的信息。皮肤的纹路在图案、断点和交叉点上是各不相同的。医学上已经证明这些特征对于每个手指都是不同的，而且这些特征具有唯一性和永久性。本设计开发了一款基于单片机的指纹模块检测工装系统。该系统是以SST89V564单片机作为核心模块，通过ZFM-20指纹模块实现录取指纹并扩展存储器存储指纹数据，并通过G3245H液晶屏显示指纹图像的功能。本开发系统具有体积小、性价比高、传输速度快、显示图像清晰等优点，具有工程实际意义。关键词单片机指纹检测扩展存储器液晶屏II中图法分类号：TP27Abstract:Fingerprintrecognitiontechnologyisatechnologyofbiology-authenticationwidelyusedandlegalizedininternationaltodaybecauseofitslow-priceandfinerapplication.Fingerprintjustisasmallpartoftheskin,butitcontainsagreatdealofinformation.Theveinsoftheskinaredifferentinpatternandcrosspointandbreakpoint.Medicinehasproventhatthesecharacteristicsaredifferentforeachfingerandthesecharacteristicsareuniqueandpermanent.Thesystemdesigndetectingoffingerprintmodulebasedonsingle-chipmicroprocessorisdevelopedinthethesis.ThissystemappliesSST89V564single-chipmicroprocessorasitscore-moduleandcollectsfingerprintbyZFM-20fingerprintmodule,andthen,memoriesfingerprintdatabyextendedmemoryanddisplaysfingerprintimagebyG3245HLCD.Thesystempossessesmanymeritssuchassmall-bulkandfinerratioofperformance-priceandrapidtransmissionandvividimage,andsoon.Ittakesonpracticalengineeringsignificance.Keywords:single-chipmicroprocessorfingerprintdetectionextendedmemoryIIILCD目录毕业设计（论文）....................................................I摘要............................................................II关键词.............................................................IIAbstract:.........................................................III目录...........................................................IV1引言.............................................................11.1指纹识别技术简介...........................................11.1.1指纹识别技术的原理................................................................................21.1.2指纹识别技术的应用...............................................................................31.1.3指纹识别技术的发展...............................................................................31.2系统设计目的...............................................51.3课题背景...................................................51.4小结.......................................................5IV2指纹检测与工装系统的设计方案.....................................62.1系统功能描述...............................................62.2方案论证...................................................72.2.1方案一.......................................................................................................82.2.2方案二........................................................................................................92.2.3最终方案确定..........................................................................................102.3小结......................................................103硬件设计........................................................113.1单片机的选择..............................................113.1.151系列...................................................................................................113.1.2PIC系列..................................................................................................123.1.3AVR系列.................................................................................................123.2SST89V564单片机...........................................133.2.1产品简介.................................................................................................133.2.2引脚分配.................................................................................................143.2.3时钟电路.................................................................................................153.2.4复位电路.................................................................................................163.2.5定时器/计数器........................................................................................163.3单片机最小系统设计........................................183.4指纹模块ZFM-20通讯电路设计...............................193.4.1指纹模块的选择.....................................................................................193.4.2指纹模块ZFM-20简介..........................................................................213.4.3硬件接口.................................................................................................223.4.4系统资源.................................................................................................223.4.5数据包格式.............................................................................................233.5液晶显示器G3245H接口电路设计.............................24V3.5.1G3245H液晶显示器的简介...................................................................243.5.2引脚描述如表3-5所示。......................................................................253.6外部数据存储器IS61LV6416的扩展...........................263.7液晶控制器接口电路设计...........273.7.2芯片引脚图.............................................................................................283.7.3存储器大小的要求..................................