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Method for digitizing an analog signal in a system that utilizes a dynamic analog test multiplexer for diagnosis

机译:在利用动态模拟测试多路复用器进行诊断的系统中数字化模拟信号的方法

摘要

An integrated circuit capable of monitoring analog voltages inside an analog block is presented. The integrated circuit has an analog test multiplexer (mux) whose inputs are connected to analog voltages of interest inside an analog block. The analog test multiplexer directs a selected analog voltage from an analog block to the output of the analog test mux. The integrated circuit further includes an analog monitor state machine which provides the selection bits to the analog test multiplexer, enabling random access to the analog voltages inside the analog block. The integrated circuit also includes an analog to digital converter for converting the selected analog voltage from the analog test multiplexer into a digital representation.
机译:提出了一种能够监视模拟模块内部的模拟电压的集成电路。该集成电路具有一个模拟测试多路复用器(mux),其输入连接到模拟模块内部感兴趣的模拟电压。模拟测试多路复用器将选定的模拟电压从模拟模块引导至模拟测试多路复用器的输出。该集成电路还包括一个模拟监视器状态机,该状态机将选择位提供给模拟测试多路复用器,从而能够随机访问模拟模块内部的模拟电压。集成电路还包括模数转换器,用于将来自模拟测试多路复用器的所选模拟电压转换为数字表示。

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