Adaptive clock signal frequency scaling
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United States of America Patent
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Jan 9, 2024
Grant Date -
Dec 8, 2022
app pub date -
Jun 14, 2022
filing date -
Sep 18, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Systems, methods, and circuitries are disclosed generating a dynamic clock signal having a dynamic clock signal frequency for a data processing system from an input clock signal having an input clock signal frequency. In one example, adaptive frequency scaling circuitry includes scaling control circuitry and clock gating circuitry. The scaling control circuitry includes hardware configured to receive a performance indicator value indicative of an operating parameter of the data processing system and select a dynamic clock gating control value based at least on the performance indicator value. The clock gating circuitry is configured to receive the dynamic clock gating control value, and in response, selectively gate the input clock signal based on the dynamic clock gating control value to generate the dynamic clock signal.
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