JN5121无线控制器的功能剖析及应用探讨  

Function Analysis and Application Investigation of JN5121 Wireless Controller

作　　者：徐志远[1] 许贺楠[1] 凌志浩[1] 

机构地区：[1]华东理工大学信息学院,上海200237

出　　处：《自动化仪表》2008年第5期61-63,共3页Process Automation Instrumentation

摘　　要：报告了ZigBee的现状、发展趋势以及各大ZigBee芯片供应商的情况。介绍了Jennic的JN5121芯片的功能、内部结构及芯片所包含的可用资源。分析了JN5121芯片在工业应用中的可行性及适用性。说明了ZigBee的协议栈和其中的基本操作系统,介绍了其中几个重要的API函数,研究了如何在JN5121芯片上设计用户应用程序的方法,并给出了程序代码与程序入口。列举了JN5121在无线压力变送器设计中的应用示例,并提供了设计思路和实现方法,给出了硬件设计框图和设计时的注意事项。The current status and developing trend of ZigBee as well as the situation of the suppliers of ZigBee chips are reported. The func- tions, internal structure and usable resources of the chip JN5121 from Jennic are presented; and the feasibility and applicability of JN5121 for industrial applications are analyzed. The ZigBee protocol stack and its basic operating system are depicted; several important API functions are introduced. The method of designing application program in JN5121 chip is researched; and the program codes and program entrance are given. The applicable examples of designing wireless pressure transmitter with JN5121 are listed ; and the design concept and implementing measures are provided. The block diagram of hardware design and some cautions in design are given.

关 键 词：无线控制器 传感器 ZIGBEE JN5121芯片 压力变送器 

分 类 号：TN929.5[电子电信—通信与信息系统]