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    • 5. 发明授权
    • Methods and apparatus for monitoring internal signals in an integrated circuit
    • 用于监控集成电路内部信号的方法和装置
    • US07669096B2
    • 2010-02-23
    • US12140266
    • 2008-06-17
    • Manoj Kumar Agarwal
    • Manoj Kumar Agarwal
    • G01R31/28
    • G01R31/31705
    • Apparatus and methods are provided for debugging an integrated circuit. Local multiplexer circuits are provided near first and second circuit blocks in the integrated circuit. Each multiplexer circuit includes input nodes, a control node, and an output node. A first input node of the first multiplexer circuit is coupled to an internal node of the first circuit block, a first input node of the second multiplexer circuit is coupled to an internal node of the second circuit block, second input nodes of the first and second multiplexer circuits are coupled to logical 0, and the control signal nodes of the first and second multiplexer circuits are coupled to a control signal. An OR gate is provided that includes an input node coupled to the output node of the first multiplexer circuit, another input node coupled to the output node of the second multiplexer circuit, and an output node. The control signal is used to select the internal nodes of the first or second circuit blocks for monitoring at the output node of the OR gate.
    • 提供了用于调试集成电路的装置和方法。 在集成电路中的第一和第二电路块附近提供本地多路复用器电路。 每个多路复用器电路包括输入节点,控制节点和输出节点。 第一多路复用器电路的第一输入节点耦合到第一电路块的内部节点,第二多路复用器电路的第一输入节点耦合到第二电路块的内部节点,第一和第二输入节点 多路复用器电路耦合到逻辑0,并且第一和第二多路复用器电路的控制信号节点耦合到控制信号。 提供了或门,其包括耦合到第一多路复用器电路的输出节点的输入节点,耦合到第二多路复用器电路的输出节点的另一输入节点和输出节点。 控制信号用于选择第一或第二电路块的内部节点用于在OR门的输出节点处进行监视。
    • 6. 发明授权
    • Methods and apparatus for monitoring internal signals in an integrated circuit
    • 用于监控集成电路内部信号的方法和装置
    • US07389452B2
    • 2008-06-17
    • US10880630
    • 2004-06-29
    • Manoj Kumar Agarwal
    • Manoj Kumar Agarwal
    • G01R31/28
    • G01R31/31705
    • Apparatus and methods are provided for debugging an integrated circuit. Local multiplexer circuits are provided near first and second circuit blocks in the integrated circuit. Each multiplexer circuit includes input nodes, a control node, and an output node. A first input node of the first multiplexer circuit is coupled to an internal node of the first circuit block, a first input node of the second multiplexer circuit is coupled to an internal node of the second circuit block, second input nodes of the first and second multiplexer circuits are coupled to logical 0, and the control signal nodes of the first and second multiplexer circuits are coupled to a control signal. An OR gate is provided that includes an input node coupled to the output node of the first multiplexer circuit, another input node coupled to the output node of the second multiplexer circuit, and an output node. The control signal is used to select the internal nodes of the first or second circuit blocks for monitoring at the output node of the OR gate.
    • 提供了用于调试集成电路的装置和方法。 在集成电路中的第一和第二电路块附近提供本地多路复用器电路。 每个多路复用器电路包括输入节点,控制节点和输出节点。 第一多路复用器电路的第一输入节点耦合到第一电路块的内部节点,第二多路复用器电路的第一输入节点耦合到第二电路块的内部节点,第一和第二输入节点 多路复用器电路耦合到逻辑0,并且第一和第二多路复用器电路的控制信号节点耦合到控制信号。 提供了或门,其包括耦合到第一多路复用器电路的输出节点的输入节点,耦合到第二多路复用器电路的输出节点的另一输入节点和输出节点。 控制信号用于选择第一或第二电路块的内部节点用于在OR门的输出节点处进行监视。
    • 7. 发明申请
    • METHODS AND APPARATUS FOR MONITORING INTERNAL SIGNALS IN AN INTEGRATED CIRCUIT
    • 用于监控集成电路内部信号的方法和装置
    • US20080250281A1
    • 2008-10-09
    • US12140266
    • 2008-06-17
    • Manoj Kumar Agarwal
    • Manoj Kumar Agarwal
    • G01R31/28
    • G01R31/31705
    • Apparatus and methods are provided for debugging an integrated circuit. Local multiplexer circuits are provided near first and second circuit blocks in the integrated circuit. Each multiplexer circuit includes input nodes, a control node, and an output node. A first input node of the first multiplexer circuit is coupled to an internal node of the first circuit block, a first input node of the second multiplexer circuit is coupled to an internal node of the second circuit block, second input nodes of the first and second multiplexer circuits are coupled to logical 0, and the control signal nodes of the first and second multiplexer circuits are coupled to a control signal. An OR gate is provided that includes an input node coupled to the output node of the first multiplexer circuit, another input node coupled to the output node of the second multiplexer circuit, and an output node. The control signal is used to select the internal nodes of the first or second circuit blocks for monitoring at the output node of the OR gate.
    • 提供了用于调试集成电路的装置和方法。 在集成电路中的第一和第二电路块附近提供本地多路复用器电路。 每个多路复用器电路包括输入节点,控制节点和输出节点。 第一多路复用器电路的第一输入节点耦合到第一电路块的内部节点,第二多路复用器电路的第一输入节点耦合到第二电路块的内部节点,第一和第二输入节点 多路复用器电路耦合到逻辑0,并且第一和第二多路复用器电路的控制信号节点耦合到控制信号。 提供了或门,其包括耦合到第一多路复用器电路的输出节点的输入节点,耦合到第二多路复用器电路的输出节点的另一输入节点和输出节点。 控制信号用于选择第一或第二电路块的内部节点用于在OR门的输出节点处进行监视。