Abstract:
Based on AT91RM9200 microprocessor, the paper introduces the implementation process of one embedded wireless data terminal. This design can bring two advantages: the simplified hardware frame and the complete network protocols achieved by running ARM-Linux operating system on it. The two typical applications based on the device are presented and the key points of the design are analyzed in the paper.
Key words:
wireless data terminal,
ARM-Linux operating system,
GPRS
摘要： 介绍一个基于AT91RM9200的无线数据终端应用系统设计的全过程。硬件设计中充分利用ARM丰富的硬件资源来简化系统结构，同时通过运行嵌入式Linux系统实现了丰富的协议接口，并以2种常见的应用需求为例，对无线数据终端上的高端应用开发作了分析，对设计中所有技术关键点进行说明。
关键词:
无线数据终端,
ARM-Linux操作系统,
GPRS网络
CLC Number:
WU Jin-hua; ZHENG Geng; LI Ju-guang. Design and Implementation of Wireless Data Terminal Based on ARM9[J]. Computer Engineering, 2008, 34(14): 253-255.
吴金华;郑 耿;李驹光. 基于ARM9的无线数据终端的设计与实现[J]. 计算机工程, 2008, 34(14): 253-255.