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    • 3. 发明申请
    • Apparatus and Method for Selectively Monitoring Multiple Voltages in an IC or other Electronic Chip
    • 用于选择性监测IC或其他电子芯片中的多个电压的装置和方法
    • US20070239387A1
    • 2007-10-11
    • US11278848
    • 2006-04-06
    • Daniel DourietAnand HaridassAndreas HuberColm O'ReillyBao TruongRoger Weekly
    • Daniel DourietAnand HaridassAndreas HuberColm O'ReillyBao TruongRoger Weekly
    • G06F19/00
    • G01R19/16552
    • An apparatus and method are provided for monitoring the voltage available in each domain of multiple voltage domains of a partitioned electronic chip. In embodiments of the invention, only a single pair of C4 pins is required for all voltage monitoring activity. One useful embodiment is directed to apparatus for monitoring the level of voltage associated with each domain in a partitioned chip. The apparatus comprises a single conductive link coupled to the chip, and further comprises a domain selection network having a single output and a plurality of switchable inputs, the output being connected to the single conductive link, and two inputs being connected to monitor respective voltage levels of two of the plurality of voltage domains. A control mechanism is disposed to operate the selection network, in order to selectively connect one of the inputs to the single conductive link, and a sensor device external to the electronic chip is connected to measure the monitored respective voltage levels of two of the plurality of voltage domains using the single conductive link.
    • 提供了一种用于监视分区电子芯片的多个电压域的每个域中可用电压的装置和方法。 在本发明的实施例中,对于所有电压监视活动,仅需要一对C4引脚。 一个有用的实施例涉及用于监视与分区芯片中的每个域相关联的电压电平的装置。 该装置包括耦合到芯片的单个导电链路,并且还包括具有单个输出和多个可切换输入的域选择网络,该输出连接到单个导电链路,并且两个输入端被连接以监视相应的电压电平 的多个电压域中的两个。 设置控制机构以操作选择网络,以便选择性地将输入中的一个连接到单个导电链路,并且电子芯片外部的传感器装置被连接以测量所监视的相应的多个 电压域使用单个导电链路。