自动范围，零，校准，数据采集，系统诊断功能。
Automated range, zero, calibration, data acquisition, system diagnostic functions.
文中介绍JTAG边界扫描的概念、技术特点，以及在芯片功能测试、系统诊断、仿真、性能分析和导通测试方面的应用。
This paper focuses on the JTAG ideas and technical characteristics and summarizes the JTAG usage in chip function test, system diagnosis, simulation, performance analysis and conduction test.
灵活的操作和系统诊断等功能按键输入监测，上电顺序和电压轨监测。
Other features for flexible operation and system diagnostics are pushbutton input monitoring, power-up sequencing, and voltage rail monitoring.
灵活的操作和系统诊断等功能按键输入监测，上电顺序和电压轨监测。
Other features for flexible operation and system diagnostics are pushbutton input monitoring, power-up sequencing, and voltage rail monitoring.
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