今的CPLD已有完善的在 系统可编程技术(in system programmable，ISP)， 和边界扫描测试技术(boundary scan testing， BST)。本文提出的新型的基于CPLD的晶闸管 脉冲触发器适用于三相全桥系统，自动检测输入 同步电压相序，保
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本文还讨论了两种智能故障诊断技术，即专家系统智能故障诊断技术和边界扫描测试智能故障诊断技术。
The paper also discusses two intelligent fault diagnostic methods: expert system intelligent fault diagnostic method and boundary-scan technique intelligent fault diagnostic method.
介绍了数据采集的原理和ASIC的基本功能、实现以及JTAG的边界扫描测试技术。
In this paper, the principle of data collection, the basic function and implementation of asic and the technology of JTAG BST are presented.
JTAG边界扫描机制是用于在线导通测试的新技术，利用JTAG可以在数分钟内查出复杂插件和系统的全部导通故障。
JTAG Boundary Scan is a new technique for connection test. With the help of JTAG, we can find out all connection faults of a complicated board or system.
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