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中文摘要：
设计了基于ZigBee协议无线微控制器JN5121与TMS320F2812 DSP双核体系结构的无线传感器网络节点，重点阐述节点内无线微控制器单元与DSP系统单元间通信接口的硬件连接方案和驱动程序。无线微控制器单元通过SPI接口与DSP系统单元进行通信，采用SPI主-从式工作模式＋I／O口硬件中断方式进行数据的传输。该网络用于对人员和车辆进行感知与识别,具有较好的应用价值。
英文摘要：
This paper presented a new design of dual-cored wireless sensor networks based on ZigBee agreement wireless microcontrollers JN5121 and TMS3201F2812 DSP. It lays emphasis on the design of node communication interface between wireless microcontroller and DSP units, including hardware implementation and software program. Wireless microcontroller unit communi-ated with DSP unit through the enhanced serial peripheral interface （SPI）, adopted SPI host-slave mode and I/O hard interrupt mode. The paper presents the wireless networks which can apperceive and identify personnel and vehicle first time at home, and has very strong promethean and applied value.
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