【摘要】 根据生产线特定需要,介绍了一种基于ARM的RFID超高频读写器系统,使用LPC2138微控制器和射频收发芯片ADF7020作为读写器的核心器件,并使用RS-485总线网络实现了各个读写器与后台服务器的通信。文中给出了系统软硬件设计方案,对其实现方法及其关键技术进行了研究。实验结果表明该系统工作稳定,传输数据准确,具有一定的应用价值。更多还原

【Abstract】 The paper introduced a system of UHF RFID reader based on ARM.The system selects the LPC2138 Microcontroller as the control core,ADF7020 as wireless receiving/dispatch chip,RS485 as communication bus.Its software and hardware design scheme,key technologies and implementation were presented also.It has been proved by tests that the system is good at practice in stablility,and will be of great applied value.更多还原