Early wake-warn for clock gating control
    1.
    发明授权
    Early wake-warn for clock gating control 有权
    提前唤醒时钟门控控制

    公开(公告)号:US09552308B2

    公开(公告)日:2017-01-24

    申请号:US14126919

    申请日:2013-09-30

    Abstract: A request associated with a particular cache record is generated to be sent to a system component associated with a cache bank over an interconnect. A wake-warn signal is sent over a dedicated wake-warn channel to indicate to the system component that the request is to arrive. Wake-warn signals cause a disabled clock to be ungated to an enabled state. The request is then sent to the system component.

    Abstract translation: 生成与特定高速缓存记录相关联的请求,以通过互连发送到与高速缓存组相关联的系统组件。 唤醒警告信号通过专用的唤醒通道发送,以向系统组件指示请求到达。 唤醒信号导致禁用的时钟被禁止到启用状态。 然后将请求发送到系统组件。

    Low pin-count architecture with prioritized message arbitration and delivery

    公开(公告)号:US11675715B2

    公开(公告)日:2023-06-13

    申请号:US16366789

    申请日:2019-03-27

    CPC classification number: G06F13/1642 G06F1/266 G06F13/4282 G06F2213/0042

    Abstract: Methods and apparatus for implementing a low-pin count architecture with priority message arbitration and delivery. The architecture includes a hardware-based message arbitration unit (MAU) including a plurality of priority queues, each having a respective priority level, implemented on a first component, such as a processor and/or System on a Chip (SoC). The first component is communicatively coupled to a second component via a low-pin count link such as an I2C bus. The MAU receives prioritized messages from clients and enqueues the messages in priority queues based on their priority levels. An arbiter selects messages to transmit over the low-pin count link from the priority queues. The MAU further may abort transmission of a message in favor of transmission of a higher-priority message to guarantee a transmit latency. Under one implementation, the components are a processor and a PMIC configured to communicate with a USB Type-C power source and meet timing requirements defined by a USB Power Delivery Specification.

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