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Design of VXI-bus Four-Channel LVDS Data Transfer Module
Author(s): 
Pages: 371-373
Year: Issue:  2
Journal: Computer Measurement & Control

Keyword:  LVDSVXI数据传输HDLC;
Abstract: 针对国内测试系统开发中出现的低电压差分信号(LVDS)技术需求提出了一种VXI总线四通道LVDS数据传输模块的设计实现方法;以FPGA作为控制核心,利用Verilog HDL设计实现了VXI接口和HDLC通讯协议设计,并通过基于VXI总线的块传输方式和乒乓存储技术,完成了大批量数据的接收;另外,为确保LVDS信号的完整性,结合实际设计和调试经验,文中还分析了LVDS接口信号印制板布线和布局问题;该模块已用于测试系统开发,并实现了测试系统与被测设备的视频信号传输;应用结果表明,模块传输速度为4Mbit/s时误码率小于10-6.
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