Programmable clock monitor
AssigneeXilinx, Inc.
InventorsLester S. Sanders, Shravanthi Katam, Abhinaya Katta, Jayaram Pvss
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Abstract
An apparatus can include an interface circuit configured to receive an operating parameter and a control circuit coupled to the interface circuit and configured to store the operating parameter. The apparatus also can include a clock error detection circuit coupled to the control circuit. The clock error detection circuit can be configured to detect a clock error condition on a clock signal based upon the operating parameter and, responsive to detecting the clock error condition, generate a signal indicating an occurrence of the clock error condition.
Claims20
An apparatus for monitoring clock signals, comprising:
- an interface circuit configured to receive an operating parameter;
- a control circuit coupled to the interface circuit and configured to store the operating parameter;
- and
- a clock error detection circuit coupled to the control circuit, wherein the clock error detection circuit is configured to detect a clock error condition on a clock signal based upon the operating parameter and, responsive to detecting the clock error condition, generate a signal indicating an occurrence of the clock error condition.
A method of monitoring clock signals, comprising:
- receiving, in a clock monitor circuit, an operating parameter from a processor;
- updating a clock error detection circuit of the clock monitor based upon the operating parameter;
- detecting a clock error condition on a clock signal using the clock error detection circuit based on the operating parameter;
- and
- responsive to detecting the clock error condition, generating a signal indicating an occurrence of the clock error condition.
Dependencies are inferred from the claim text.