System-on-chip with DVFM protection circuit
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United States of America
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Feb 18, 2025
Grant Date -
Jun 20, 2024
app pub date -
Nov 29, 2023
filing date -
Nov 29, 2023
priority date (Note) -
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Abstract
A system includes multiple hardware circuits and protection circuitry. The multiple hardware circuits are coupled to respective power domains having respective sets of domain-specific power settings. The protection circuitry is configured to monitor requests in which one or more of the hardware circuits request transitions between the domain-specific power settings, to determine, from among multiple system-level combinations of the domain-specific power settings, a subset of system-level combinations that could potentially be traversed in performing the requested transitions, and to initiate a responsive action upon detecting that any of the system-level combinations in the subset is specified as invalid.
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