VXI边界扫描模块接口电路的设计

XI边界扫描模块接口电路的设计:根据IEEE1149．X标准和VXI总线规范，采用EDA技术对VXI边界扫描模块的接口电路进行了研究和设计，通过仿真和实际测试验证了设计的正确性，很好地将VXI总线技术和边界扫描技术融合在一起，成功研制了一种符合IEEE1149．X标准的c尺寸VXI边界扫描模块。在VXI总线测试领域拓展了边界扫描测试功能，不增加测试系统的成本和复杂性，解决了VXI总线应用领域集成电路的测试问题。
关键词：VXI模块；边界扫描；接口电路

Abstract：In this paper，according to IEEE Stdl149．X and VXIbus specification，the interface circuit of BS(Boundary Scan)module on Vxibus is studied an d designed by using EDA technology ．The design results arc verified by simulating an d testing．In addition，its correctness also shows that VXIbus technology Call be well combined with BS techn ology ．And a kind of VXI BS C-size module conforming to IEEE Stdl 149．X is developed．So the function of boundary SCan is expanded in VXIbus test field，and it Can resolve the problem of integrated circuit test in the test field of VX1 without increasing the cost and complexity of system ．
Key words：VXI module；BS；interface circuit