基于NIOSII处理器的IEEE-1394b双向数据传输系统  

IEEE 1394b Bi-directional Data Transfer System Based on NIOSII

作　　者：杨丽湘[1] 李玉山[1] 

机构地区：[1]西安电子科技大学电路CAD所,陕西西安710071

出　　处：《电子科技》2011年第2期47-49,53,共4页Electronic Science and Technology

摘　　要：基于FPGA内嵌的NIOSII处理器,设计了一个1394b双向数据传输系统。介绍了该系统的硬件结构,描述了其软件工作流程,主要包括异步传输和等时传输的具体实现过程。测试结果表明,该系统的传输速率较高、可靠性和实时性较好,并具有一定的应用价值。This paper designed a 1394b bi-directional data transfer system by using the embedded processor NIOSII.It simply introduced the hardware structure of the system and described the working process of the software in detail.The emphasis is putted on the implement procedure of asynchronous transfer and isochronous transfer.After testing,we found that the system has advantages of high speed,good reliability and real-time performance,and has upper applied value in practice.

关 键 词：1394b NIOSII 等时传输 异步传输 

分 类 号：TP334.4[自动化与计算机技术—计算机系统结构]