CONTROLLED THERMAL SHUTDOWN AND RECOVERY
    41.
    发明公开

    公开(公告)号:US20230168900A1

    公开(公告)日:2023-06-01

    申请号:US17537952

    申请日:2021-11-30

    CPC classification number: G06F9/4401

    Abstract: In described examples, an integrated circuit (IC) includes a first temperature sensor, a processor, a second temperature sensor, and a reset module. The first sensor senses a first body temperature of the IC. The processor asserts a thermal shutdown signal if the first body temperature exceeds a first threshold. In response to the thermal shutdown signal, the second sensor asserts a reset request signal and senses a second body temperature of the IC. If the second body temperature is less than a second threshold, the second sensor asserts a reset end signal. The reset module outputs a system reset signal to the first sensor and the processor if the reset request signal is asserted, and outputs a system recovery signal if the reset end signal is asserted. The first sensor and the processor deactivate if the system reset signal is asserted, and activate if the system recovery signal is asserted.

    Reconfigurable memory mapped peripheral registers

    公开(公告)号:US11650930B2

    公开(公告)日:2023-05-16

    申请号:US17482676

    申请日:2021-09-23

    CPC classification number: G06F12/10 G06F13/102 G06F2212/657

    Abstract: A computing device, including a processor; a memory, wherein the memory is accessible for memory operations via a range of logical memory addresses; a peripheral interface including a first control register; and a peripheral address remapping module configured to determine that the peripheral interface is unused for interfacing with a peripheral; determine a first memory address for accessing the first control register; determine a first logical memory address, the first logical memory address outside of the range of logical memory addresses for accessing the memory; and map the first logical memory address to the first memory address, wherein the first control register is accessible for memory operations using the first logical memory address.

    DYNAMIC SECURITY PROTECTION IN CONFIGURABLE ANALOG SIGNAL CHAINS

    公开(公告)号:US20200319250A1

    公开(公告)日:2020-10-08

    申请号:US16376697

    申请日:2019-04-05

    Abstract: A system and method for dynamically protecting against security vulnerabilities in a reconfigurable signal chain. The system includes a signal chain formed from at least a first component connected with a second component. The first component has a set of source outputs and a first authentication block, and the second signal chain component has a set of destination inputs and a second authentication block. The system also includes a signal chain configurator that populates the first authentication block with at least one validated endpoint from the set of destination inputs. A signal chain integrity block, which is communicatively coupled with the first authentication block and the second authentication block, identifies a source-destination pair from one or more endpoint pairs formed from the at least one validated endpoint and the set of source outputs. The signal chain integrity block propagates the source-destination pair to the first authentication block and the second authentication block. The second authentication block authenticates any received input using the source-destination pair.

    Communication system with mixed threshold voltage transistors

    公开(公告)号:US12266422B2

    公开(公告)日:2025-04-01

    申请号:US18610993

    申请日:2024-03-20

    Abstract: A communications circuit with an input port, a switching circuit coupled to the input port, and a first and second memory coupled to the switching circuit. The communications circuit also includes controlling circuitry adapted to operate the switching circuit to couple data received at the input port to the first memory while the second memory is disabled from power and to couple data received at the input port to the second memory once the first memory is filled with valid data.

    Data integrity verification in direct memory access (DMA) transfer

    公开(公告)号:US12189471B2

    公开(公告)日:2025-01-07

    申请号:US18381320

    申请日:2023-10-18

    Inventor: Anand Kumar G

    Abstract: In an example, a method includes copying data between a source device and a destination device to form first copied data. The method also includes, responsive to completion of the copying, performing a verify-read operation. The verify-read operation includes determining a first checksum of the first copied data, copying the data between the source device and the destination device to form second copied data, determining a second checksum of the second copied data, comparing the first checksum to the second checksum to determine a comparison result, and determining a data integrity validation result based on the comparison result.

    Temperature-based tamper detection
    49.
    发明授权

    公开(公告)号:US12146801B2

    公开(公告)日:2024-11-19

    申请号:US17355992

    申请日:2021-06-23

    Inventor: Anand Kumar G

    Abstract: A temperature sensing device for a temperature-based tamper detection system includes an integrated circuit (IC) and a logic circuit. The logic circuit sends an enable signal to the IC, causing it to measure the device temperature, and initiates a security timer. In response to not receiving the device temperature before the security timer expires, the logic circuit outputs a tamper event signal and an error code. The logic circuit can disable the enable signal in response to not receiving the device temperature before the timer expires. In some implementations, the logic circuit is a first logic circuit, and the IC includes an analog integrated circuit (AIC) and a second logic circuit. The second logic circuit receives the enable signal from the first logic circuit, causes the AIC to measure the device temperature, and outputs a ready signal and the device temperature to the first logic circuit.

Patent Agency Ranking