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本文论述了边界扫描技术的基本原理和边界扫描在电路板测试及在FPGA、DSP器件中的应用。介绍了为提高电路板的可测试性而采用边界扫描技术进行设计时应注意的一些基本要点。
This article discusses the basic principles of boundary-scan technology and boundary-scan in the circuit board testing and FPGA, DSP devices in the application. Some basic points that should be noticed when designing with boundary-scan technique are introduced in order to improve the circuit board’s testability.