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    • 12. 发明申请
    • SYSTEM, COMPUTER PROGRAM PRODUCT AND METHOD FOR TESTING A LOGIC CIRCUIT
    • 系统,计算机程序产品和测试逻辑电路的方法
    • WO2008099239A1
    • 2008-08-21
    • PCT/IB2007/050518
    • 2007-02-16
    • FREESCALE SEMICONDUCTOR, INC.SAKADA, OleksandrBOGENBERGER, Florian
    • SAKADA, OleksandrBOGENBERGER, Florian
    • G01R31/3187G01R31/3183G06F11/27
    • G06F11/27G01R31/005G01R31/007G01R31/3183G01R31/3187
    • A system (25) for testing a logic circuit (20) which has two or more test routine modules (27). Each module contains a set of instructions which is executable by (a part of) the logic circuit (20). The set forms a test routine for performing a self-test by the part of the logic circuit (20). The self-test includes the part of the logic circuit (20) testing itself for faulty behaviour, and the part of the logic circuit (20) determining a self-test result of the testing. The system (25) includes a test module which can execute a test application which subjects the logic circuit (20) to a test by performing the self-test on at least a part of the logic circuit (20) by causes the part of the logic circuit (20) to execute a selected test routine, and determining, by the test module, an overall test result at least based on a performed self-tests. The test module includes a control output interface for activates the execution of the a selected test routine. A second test module input interface can receive the self-test result from a selected test routine. At a test module output interface the overall test result may be outputted. The test routine includes instructions for outputting, by the part of the logic circuit (20), data to a test routine output interface which is not connected to the second test module input interface, for outputting information about the self-test result by the test routines without passing the information through the test module.
    • 一种用于测试具有两个或更多个测试程序模块(27)的逻辑电路(20)的系统(25)。 每个模块包含一组由逻辑电路(20)的(一部分)可执行的指令。 该组形成用于由逻辑电路(20)的一部分进行自检的测试程序。 自检包括逻辑电路(20)的一部分测试自身的故障行为,并且逻辑电路(20)的一部分确定测试的自检结果。 系统(25)包括测试模块,该测试模块可以执行测试应用,测试应用通过在逻辑电路(20)的至少一部分上执行自检来使逻辑电路(20)进行测试, 逻辑电路(20),用于执行所选择的测试程序,并且由所述测试模块至少基于执行的自检来确定总体测试结果。 测试模块包括用于激活所选择的测试例程的执行的控制输出接口。 第二个测试模块输入接口可以从选定的测试程序中接收自检结果。 在测试模块输出接口,可以输出整体测试结果。 该测试例程包括由逻辑电路(20)的一部分将数据输出到未连接到第二测试模块输入接口的测试例程输出接口,用于通过测试输出关于自检结果的信息 例程不通过测试模块的信息。