基于GSM模块与AT89C51的接口设计及应用

1、1 / 30鱼陵科扶學院毕业设计（论文）外文参考资料及译文译文题目： 基于 GSM 模块与 AT89C51 的接口设计及应用 的接口设计及应用学生姓名：张佥 I_学 号：0805111010专 业： 08 电子信息工程_所在学院：_金陵科技学院_扌旨导教师：_杨雪峰_职 称：_工程师_2011 年 12 月 7 日2 / 30讲明:要求学生结合毕业设计（论文）课题参阅一篇以上的外文资料， 并翻译至少一万印刷符（或译出 3 千汉字）以上的译文。译文原则 上要求打印（如手写，一律用 400 字方格稿纸书写），连同学校提 供的统一封面及英文原文装订，于毕业设计（论文）工作开始后2周内完成，作为成绩考

2、核的一部分1 / 30Based on GSMImodule and AT89C51 connection design andapplicatio n-FromGSMprinciple and its network optimization chapter one-FromNew single chip microcomputer in terfacedevice and tech no logychapter sixAbstractThis article through an alyzed the GSM module and themono lithic in tegrated ci

3、rcuit conn ecti on desig n simply in troduced theTC35i module com mon ly used in structi onandthe cod ing rule, in troduced emphatically the TC35i module and theAT89C51principle of work, the periphery connection electric circuit, thesoftware con troltech no logy, at thesame time has produced some TC

4、35i module and the AT89C51 connecti on applicati on procedure, proposed AT89C51 whe nreceive data should pay attention question, thusdesignedhas the GSM module the data transmission terminal.Key words: GSM network1 Summarize:Along with corresp ondence tech nique of developme nt,according to the serv

5、ice function of the NTT DoCoMo net,just to industry control and control from a distance therealm have continuouslyextension of trend.lsorientationthis kind of dema nd, Sieme ns compa ny released a new gen erati onwireless corresp ondence GSM mold piece-TC35i, accord ing toshould the short n ews fun

6、cti on of the moldpiece, can fast safety credibility realization customerin formati onprocess ing etc.fun cti on,special beapplicable to control centre and terminal equipments dista nce very far,or inconvenience adopti on wired correspondence lie quality etc.situation, for example the oil well infor

7、mation collect behind of deliver,the longrange copy form system, city tran sportati ondirecti on etc.all according to the TC35i mold piece to realization.2 The application of GSM network:GSMs Global System for Mobile Communications acronym,which means Global System for Mobile Communications is the2

8、/ 303 / 30worlds leading cellular systems in the world. GSMs based onnarrowband TDMAstandard that allows radio frequency in a group callat the same time 8. GSM80 during the rise inEurope, put into use in 1991. The end of 1997, has operations in morethan 100 countries, Europe and Asia has become the

9、standard in fact,that by 2001, the worlds 162 countries have already built a 400GSMcommunications n etwork. But the GSM system capacity is limited,users in the n etwork overload, it had to con structadditi onalnetwork facilities. What isgratifyingis that GSMperformanee in other areas, which in addit

10、ion to providing astandardizedlist and signalingsystems, but also openedup some of the more in tellige nt of the bus in ess such as intern ati onalroam ing and so on. The convenience of GSM mobile phone is that itprovides a smart card, known as SIM cards, and card could beseparated, so that the repl

11、acement of mobile phone users and custompers onal in formatio n in this area are facilitated.GSM network to improve after years of development, is now verymature, less blind spots, signal stability, automatic roam ing, and thecom muni catio n dista nee from the impact of the surro unding en vironmen

12、t. GSM short message in particular, flexible and convenient, youcan cross-market,in ter-prov in cialand eve ncross-bordertransmission,and each send a short message as long as onedime, very reliable and affordable. In addition, the mobile phone SIM4 / 30card in recent years can apply for 0, some pack

13、ages use lower cost than fixed. Therefore the use of mobile phone message to achieve alarm,ultra Ion g-ra nge remote con trol for in dustrial equipme nt, tran smission of data is a very good choice.GSM module, is a similar mobile com muni catio n module, integrates a nu mber of mobile pho ne fun cti

14、 ons on a sin gle smallcircuit board, it can send SMS messages, calls and so on, the module issmall, but it has a lot of mobile phone functionality, with its have equal isthe core of the mobile phone, and it is in a lot of applications have awide range of applicati ons, GSM module through the use of

15、 AT commands to con trol it, modules can be conn ected to computer RS232 serialport, can also be used to carry out single-chip control . Below we citesome typical applicati ons:2.1 mobile phone access con trol system:GSM Access Con trol System used to con trol theelectric lock control,if you need to

16、 enter, as long as thecell phone call using GSM modules mobile number, will automaticallyopen the door, and only you can set up cell phone nu mbers to ope nthe door, and no costs.5 / 30emerge ncy tur n off:Over three billboards are constantly flip through the motor toachieve a nu mber of ads display

17、ed, because in stalled in the outdoors,whe n there is wi nd, hail and other weather disasters, billboards couldeasilybe blownbad or damagedcard die, when in need of emergency shut down, Youcan n ormally closed relay con tact to con trol the power of advertis ing,whe n you n eed to do is send tur n o

18、ff control message, the billboardwill automaticallyturn off,and automatically after a certain time delay automatically return tonormal job (generally disastrous weather will not continue for a longtime) in advance if you want to open a billboard, you can send Ope ncon trol message.2.3 engin eeri ng

19、system bala nce remin ders:Some works are safe after the completi on of thenormal operation after a period of time to settle the bala nce, if theencoun termalicious clie nts theoutsta ndingpurchase price, ofte nin stalledside veryheadache, because equipme nt has bee n in stalled,if the lossof a grea

20、t come back down, particularly in the field customer very costlywhen the clientsystem can be2.2three billboardover the weather disaster6 / 30in stalled inthe GSM module, use it all the way to con trolsystem or the way some of the key points,when the customerpaid in arrears when the malicious message

21、can turn off some features,forcing customers to pay the purchase price then immediately openmessage, if you have a smooth recovery of the purchase price can alsobe the name of system maintenance by the GSMmodule removed fromthe client system.2.4 mon itori ng systems or Web servers and reset the alarm:Mon itori ng system or web server running after along period after death may be wrong, this time to poweron reset is the