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文章介绍了Nordic公司的nRF905芯片结构和工作特点,以及基于nRF905的无线收发模块,设计了无线数据传输系统,给出了系统工作的具体流程。并由单片机对nRF905的对外接口进行SPI读写操作,以此来控制nRF905的工作模式以及相关收发数据的操作,从而完成无线数据传输。该系统具有体积小、能耗低、实现简单等特点,可广泛应用到各种领域,特别适合嵌入式系统的开发。
This paper introduces the nRF905 chip structure and operating characteristics of Nordic company, and the wireless transceiver module based on nRF905. The wireless data transmission system is designed and the specific workflow of the system is given. And by the microcontroller nRF905 external SPI interface to read and write operations, in order to control the nRF905 mode of operation and the relevant transceiver data operation, thus completing the wireless data transmission. The system has the characteristics of small size, low energy consumption and simple implementation, and can be widely applied to various fields, especially suitable for the development of embedded systems.