文章分析了1149.4和1149.1标准的测试访问端口，以及测试逻辑结构和测试协议的异同，提出了模拟边界 扫描单元ABM和数字边界 扫描单元DBM的行为模型；

The test access port and test logic architecture and protocol of 1149.4 and 1149.1 standards are analyzed, and behavior models for ABM and DBM are put forward.

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文章分析了1149.4和1149.1标准的测试访问端口，以及测试逻辑结构和测试协议的异同，提出了模拟边界 扫描单元ABM和数字边界 扫描单元DBM的行为模型；

The test access port and test logic architecture and protocol of 1149.4 and 1149.1 standards are analyzed, and behavior models for ABM and DBM are put forward.

youdao