摘要
利用MSP430F2618微控制器和CC2520无线收发器构成的无线楼宇设备监控系统,利用ZigBee无线组网技术,单点覆盖距离50-300 m,传输速率250 kbps,网络节点数为256,联网所需时间仅30 ms,安全性采用128 bit AES;无线网络节点采用DSSS调制技术,最大传输功率5 dBm,接收灵敏度-98 dBm;采用3.3 V供电,电流25-40 mA;安装和组网十分灵活,可以嵌入各种楼宇智能化监控设备应用.文中介绍了无线楼宇设备监控系统结构,MSP430F2618微控制器和CC2520无线收发器电路的设计,以及主要程序.
The MSP430F2618 microcontroller and CC2520 RF transceiver can be used for building＇s monitoring system.The ZigBee wireless networking technology is utilized,with its coverage of single point up to 50～300 m,the transfer rate of 250 kbps,network nodes of 256,the networking time of only 30 ms,the safety of 128 bit AES,wireless network nodes by using DSSS modulation technique,the largest power transmission of 5 dBm,receive sensitivity of-98 dBm;3.3 V power supply,current 25~40 mA;the network layout and installation are very flexible and the system can be embedded in a variety of equipment.The paper introduced the structure of monitoring system,the circuit of MSP430F2618 microcontroller and CC2520 RF transceiver,and the main programming.
出处
《南华大学学报（自然科学版）》
2009年第4期37-40,48,共5页
Journal of University of South China：Science and Technology
