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    • 4. 发明授权
    • Method and apparatus for verifying the integrity of control module operation
    • 用于验证控制模块操作完整性的方法和装置
    • US06952795B2
    • 2005-10-04
    • US10000609
    • 2001-10-24
    • Patrick A. O'GormanShawn FerrellTim Grai
    • Patrick A. O'GormanShawn FerrellTim Grai
    • G06F11/00G06F11/08G07F11/00H04L1/22
    • G06F11/08G06F11/221
    • A control module (100) includes a first signal processing unit (102) that is coupled to a second signal processing unit (114) by a control bus (130), an address bus (131) and a data bus (132). The control module conveys seed value addresses (108) and expected result addresses (110) over the address bus, seed values (118) and verification set output values (107) over the data bus, and compares each verification set output value to an expected result (120), thereby allowing the control module to determine whether the first signal processing unit, the control bus, the address bus, and the data bus are collectively functioning correctly. By properly selecting the seed value addresses, expected result addresses, seed values, and expected results (and correspondingly, verification set output values), proper operation of each line of the address bus and control bus may be individually verified.
    • 控制模块(100)包括通过控制总线(130),地址总线(131)和数据总线(132)耦合到第二信号处理单元(114)的第一信号处理单元(102)。 控制模块通过数据总线传送地址总线上的种子值地址(108)和预期结果地址(110),种子值(118)和验证集输出值(107),并将每个验证集输出值与预期的 结果(120),从而允许控制模块确定第一信号处理单元,控制总线,地址总线和数据总线是否共同正常工作。 通过适当选择种子值地址,预期结果地址,种子值和预期结果(相应地,验证集输出值),可以单独验证地址总线和控制总线的每行的正确操作。