【摘要】 采用EZ-USB FX2技术,设计开发了基于USB2.0的海床基自动监测平台数据接口方式。采用三态双向门电路控制存储器模块总线复用实现数据访问;采用直接内存读写方法完成数据传输;采用参数存储器完成参数设置。实验证明在数据传输、参数设置以及低功耗控制方面取得良好效果,提高了系统工作性能。更多还原

【Abstract】 The technology of EZ-USB FX2 was introduced to design and develop a type of USB2.0 data interface.The data memory access was implemented by bus duplicated using tristate bidirectional gate;the data transfer was accomplished by DMA(Direct Memory Access) method;the parameters were set by parameters-storage.The experiment had shown that data transfer,parameters setting and the control of low power-consumption had been carried out effectively and the performance of ASMP system had been improved.更多还原