Cirrus Logic had no grants in cybersecurity as a theme in Q2 2024.

Recent Patents

Application: Systems and methods for access protection of system peripherals (Patent ID: US20240152658A1)

The patent filed by Cirrus Logic Inc. describes a system with multiple processing cores sharing a target via a shared bus, with access control logic managing access based on privilege levels of the cores. The system dynamically allocates and re-allocates the target among the cores according to their privilege levels, enhancing efficiency and utilization of the target. The patent covers various configurations, including cores and targets on the same or different integrated circuits, with the ability to override access modes and generate error signals in case of unauthorized access.

The method outlined in the patent involves controlling access to a shared target among multiple processing cores based on privilege levels, allowing dynamic allocation and utilization of the target. The method includes various features such as overriding access modes with different parameters, generating error signals for unauthorized access, and shutting down the system in response to errors. The method also covers scenarios where cores and targets are on different integrated circuits, with mechanisms to control privilege levels and access based on core identifiers. Overall, the patent details a comprehensive system and method for efficient and secure resource allocation among processing cores in a multi-core processor setup.

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