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    • 55. 发明申请
    • TERMINATION TECHNIQUES FOR BUS INTERFACES
    • 总线接口终接技术
    • US20080162962A1
    • 2008-07-03
    • US11618496
    • 2006-12-29
    • Blaise Fanning
    • Blaise Fanning
    • G06F1/26
    • G06F1/3253G06F1/3228Y02D10/151Y02D50/20
    • Techniques involving the transfer of signals across interconnection media are disclosed. For instance, an apparatus may include an apparatus having an interconnection medium, a first device that may drive the interconnection medium, and a second device. The second device may include a pull-up resistor that is selectively coupled between the interconnection medium and a power source. For instance, the second device may disconnect a power source from the interconnection medium when the first device is in a power saving operational state. Otherwise, the pull-up resistance is coupled between the power source and the interconnection medium.
    • 公开了涉及通过互连介质传送信号的技术。 例如,设备可以包括具有互连介质的设备,可以驱动互连介质的第一设备和第二设备。 第二装置可以包括上拉电阻器,其被选择性地耦合在互连介质和电源之间。 例如,当第一设备处于节电操作状态时,第二设备可以断开电源与互连介质的连接。 否则,上拉电阻耦合在电源和互连介质之间。
    • 56. 发明申请
    • Isochronous memory access with variable channel priorities and timers
    • 具有可变通道优先级和定时器的同步存储器访问
    • US20080077720A1
    • 2008-03-27
    • US11528025
    • 2006-09-27
    • Blaise Fanning
    • Blaise Fanning
    • G06F13/14
    • G06F13/1642
    • A memory controller to arbitrate memory request queues based upon priorities corresponding to the request queues, comprising logic to serve the request queue whose priority is equal to the maximum of the priorities. An embodiment may further comprise a timer corresponding to a request queue, where the priority of the request queue is changed from a low value to a high value if the timer expires while the request queue is not empty. In some embodiments, when the request queue is emptied after its timer has expired, the timer is set, and then started again once a new request enters the empty request queue.
    • 一种存储器控制器,用于基于对应于所述请求队列的优先级来仲裁存储器请求队列,包括用于服务优先级等于所述优先级的最大值的所述请求队列的逻辑。 实施例还可以包括对应于请求队列的定时器,其中如果定时器在请求队列不为空时到期,则请求队列的优先级从低值改变为高值。 在一些实施例中,当请求队列在其定时器到期之后被清空时,定时器被置位,然后一旦新的请求进入空的请求队列就再次启动。
    • 59. 发明申请
    • Arbitration of asynchronous and isochronous requests
    • 异步和等时请求的仲裁
    • US20050138251A1
    • 2005-06-23
    • US10740738
    • 2003-12-18
    • Blaise Fanning
    • Blaise Fanning
    • G06F13/00G06F13/16
    • G06F13/161
    • Machine-readable media, methods, and apparatus are described to arbitrate between asynchronous requests and isochronous requests. In one embodiment, an arbiter defines a service period comprising an asynchronous portion followed by an isochronous portion. During the asynchronous portion, the arbiter first services asynchronous requests and then services isochronous requests if no asynchronous requests are available. In response to servicing an isochronous request during the asynchronous portion, the arbiter lengthens the asynchronous portion and shortens the isochronous portion for the current service period. During the isochronous portion, the arbiter services isochronous requests and does not service asynchronous requests.
    • 描述了机器可读介质,方法和装置以在异步请求和等时请求之间进行仲裁。 在一个实施例中,仲裁器定义包括异步部分的后续的同步部分的服务周期。 在异步部分期间,仲裁器首先服务异步请求,然后在没有异步请求可用的情况下服务同步请求。 响应于在异步部分期间服务等时请求,仲裁器延长异步部分并缩短当前服务周期的同步部分。 在同步部分期间,仲裁器服务同步请求并且不服务异步请求。