编号：D甲1026山东省“凌阳杯”大学生电子设计竞赛设计与总结扌艮告竞赛题目：简易超市收银机（D题）参赛学生姓名：张永亮任贵军何伟伟专物理学所在单位:山东大学物理与微电子学院赛前辅导老师:陈言俊、王延伟、仪维、秦峰二OO六年九月十一日---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---简易超市收银机(D题)摘要：简易超市收银机用广州周立功公司开发的ARM7LPC2138作为控制核心。该收银机可设置1000个商品价冃表(PLU),能够记录2000条销售日志；使用SD长期存储数拯，可以实现掉电保护；扩展条码枪实现商品的条形码输入；具有多功能销售操作，方便使用；LCD提示交易过程并可以显示环境的温度，进行温度超限报警；扩展的键盘可以实现数字和英文字符输入，可以修改商品价FI表；打印机汉字打印发票及商品销售记录；ISD1420P语音模块使收银机更具人性化。关键词：ARM,收银机，汉字打卬，DS18B20,SD卡。SimpleSupermarketCashRegisterAbstract：TheSimpleSupermarketCashRegisteriscontrolledbyARM.TheSimpleSupermarketCashRegistercansaveatmost100()itemsofPLUand2000itemsofshoppingrecord,whichisstoredinSDcardsothatthedatecanbesavedwhenthepowerisfailed.BarcodescanningmodulecaneasilyscanbarcodeandtheSimpleSupermarketCashRegisteriseasytooperateandcontrol.LCDdisplaystheprices,productnumbers,thetotalprice,temperaturemeasuredbyDS18B20andotherusefulshoppinginformation.Keyboardcaninputnumbersandcharacters,alsomodifytheproductinformation.Theprintercanprintthebillandsellrecord.ISD1420Prealizethefunctionofbroadcasting,makingthecashregistermoreinteresting.Keywords：ARM,cashregister,chinese-print,DS18B20,SDcard•1题目要求.....................................................................・5・/.1棊本耍求........................................................................................................................................・5-1.2发挥部分........................................................................................................................................・5・2方案论证与制作.................................................................-6----本文于网络，仅供参考，勿照抄，如有侵权请联系删除---2.1信息处理核心一ARM2138..........................................................................................................・7-2.2电源模块.................................................................................................................................................・8•2.3键盘模块.................................................................................................................................................・9・2.4条码枪模块.............................................................................................................................................-10-2.5显示模块.................................................................................................................................................-11-2.6打印机模块.............................................................................................................................................-72-2.7存储模块...............................................................................................................................................-12•2.8时钟模块.................................................................................................................................................・13・2.9温度模块...........................................................