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文章介绍了使用 8bit微控制器对GPRS功能模块和GPS功能模块进行控制 ,以实现无线通信 (车载 )便携系统 ,文章重点阐明了在GPRS信道下 ,系统如何实现Internet用户和移动GPRS用户之间的短消息通信 ,以及基于W 77E5 8微控制器的无线车载调制解调器系统“下行部分”的硬件设计和软件编程
This paper introduces the use of 8bit microcontroller to control GPRS function module and GPS function module in order to realize the wireless communication (car) portable system. The article emphatically illustrates how the system between Internet users and mobile GPRS users under GPRS channel Short Message Communication, and Hardware Design and Software Programming of the “Downstream” Wireless Car Modem System Based on the W 77E5 8 Microcontroller