4、了解智能IC卡控制系统设计的一般思想。通过本次设计,我完成了该系统的总体方案设计、硬件电路设计、系统软件的编写和调试、印制电路板。实现了对IC卡的读写,充值、扣款,并通过LCD液晶显示器实时显示金额。在达到预定警戒气量后启动声光报警。关键字:IC卡智能控制MCS-51单片机燃气控制充值47AbstractICcard withthedevelopment ofinformation erain twenty-firstCentury, technologymaturity. It isa convenientand safeandreliab
5、letechnology, inordertoadapttothe humansociety, theamountandtypesofinformation explosion, the ICcardasthe carrierofinformationsafety controlsystem emergeasthetimesrequire. Itshugemarket andbroadapplication field makesthe ICcardtechnology inChina'seconomicconstruction hasmade
6、thetremendouscontribution. Atthesametime,whichhaswideapplicationprospect and importantscientificsignificanceand greatsocialbenefits tothesystem of ICcardintelligentgasmetercanrealizethe automatic measurement, automaticcontrol. Therefore, foralongtime, China's gaschargemanage