基于PCI9054的LVDS高速数据通信卡设计

Design of PCI9054-based Low Voltage Differential Signaling Card for High-speed Data Communication

目的:开发高速数据通信卡,满足医疗应用中对数据传输带宽日益苛刻的需求。方法:板卡硬件时序逻辑采用复杂可编程逻辑器件,实现了基于PCI9054的双通道LVDS高速数据收发。结果:在Windows2000下采用VC++6.0编程测试,板卡的实际通信速率可达40Mb/s。结论:数据传输带宽越来越成为现代医疗应用的一个制约因素,因此开发PCI高速数据通信卡具有重要的意义。

Objective To develop a high-speed data communication card,to meet the increasingly demanding requirements of data transfer bandwidth in medical applications.Methods With complex programmable logic device on sequential logic of board hardware,PCI9054-based dual-channel low voltage differential signaling for high-speed data transceiver was achieved.Results Under Windows2000 and programming test in VC ＋ ＋6.0,the actual communication rate of this card could be up to 40MBps.Conclusion The data transfer bandwidth of modern medical applications is increasingly becoming a constraint,so development of high-speed data communications PCI card has an important significance.