基于GSM模块与AT89C51的接口设计及应用

本文通过分析GSM 模块与单片机的接口设计简单介绍了TC35i 模块的常用指令及编码规则，着重介绍了TC35i 模块与AT89C51 的工作原理、外围接口电路、软件控制技术，同时给出了一些TC35i 模块与AT89C51接口的应用程序，提出了AT89C51 在接收数据时应该注意的问题，从而设计出具有GSM 模块的数据传输终端。
[关键词]：SIM 卡 GSM AT 指令 TC35i AT89C51
Based on GSM module and AT89C51 connection design and application CHENG QUAN Xiang_dong Li （ZHOUKOU NORMAL UNIVERSITY PHYSICS，HENAN，CHINA 466000） [Abstract]: This article through analyzed the GSM module and the monolithic integrated circuit connection design simply introduced the TC35i module commonly used instruction and the coding rule, introduced emphatically the TC35i module and the AT89C51 principle of work, the periphery connection electric circuit, the software control technology, at the same time has produced some TC35i module and the AT89C51 connection application procedure, proposed AT89C51 when receive data should pay attention question, thus designed has the GSM module the data transmission terminal.
[Key word]: SIM Card GSM AT Instruction TC35i AT89C51