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公开(公告)号：US11579957B1
公开(公告)日：2023-02-14
申请号：US16938764
申请日：2020-07-24
Applicant: Xilinx, Inc.
Inventor： Edward S. Peterson , Trevor W. Hardcastle , Carl H. Carmichael
Abstract: A system includes a plurality of watchdog components. Each watchdog component is configured to receive a kick signal from its monitored function to determine whether the monitored function is active. Each watchdog component is further configured to receive a respective token from all watchdog components that the each watchdog component is connected to. The respective token determines whether its respective watchdog component has timed out. Each watchdog component is further configured to generate a token responsive to the kick signal and further responsive to the respective token from all watchdog component that the each watchdog component is connected to. Each watchdog component is further configured to transmit the generated token to the all watchdog components that the each watchdog component is connected to.
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