CC2420是Chipcon公司开发的一款符合Zigbee标准的低功耗射频芯片.在简要介绍无线传感器网络节点结构后,对CC2420芯片的功能特点进行了分析,并结合其工作原理和应用电路,设计了以ATmega128L为处理器、CC2420芯片为无线通信芯片的无线传感器网络节点.
A low-power chip CC2420, which conforms with Zigbee specification, is developed by Chipcon Enterprise. This paper briefly introduces the architecture of wireless sensor networks nodes at first. And then the functions of chip CC2420 are analyzed. Meanwhile according with running principles and application circuit of CC2420, it proposes a design of wireless sensor networks nodes which uses ATmega128L microcontroller and CC2420 RF transceiver.