Input/output interface
    1.
    发明授权
    Input/output interface 有权
    输入/输出接口

    公开(公告)号:US09575923B2

    公开(公告)日:2017-02-21

    申请号:US14818586

    申请日:2015-08-05

    摘要: A method of operating an input/output interface includes selecting one of a plurality of output driver circuits according to a mode selection signal, and outputting a data signal using the selected one of the plurality of output driver circuits. Another method of operating an includes generating a mode selection signal based on a received command signal, and controlling an on-die termination (ODT) circuit included in the input/output interface according to the mode selection signal. Another method of operating an includes generating a mode selection signal based on a received command signal, and controlling an ODT circuit included in the input/output interface according to the mode selection signal.

    摘要翻译: 操作输入/输出接口的方法包括根据模式选择信号选择多个输出驱动器电路中的一个,并且使用多个输出驱动器电路中选择的一个输出驱动器电路来输出数据信号。 另一种操作方法包括根据所接收的命令信号产生模式选择信号,并根据模式选择信号控制输入/输出接口中包括的片上终端(ODT)电路。 另一种操作方法包括基于接收的命令信号产生模式选择信号,并根据模式选择信号控制输入/输出接口中包括的ODT电路。

    SIMULATION APPARATUS AND METHOD FOR MULTICORE SYSTEM
    4.
    发明申请
    SIMULATION APPARATUS AND METHOD FOR MULTICORE SYSTEM 有权
    模拟装置及其制作方法

    公开(公告)号:US20120158394A1

    公开(公告)日:2012-06-21

    申请号:US13171017

    申请日:2011-06-28

    IPC分类号: G06F17/50

    摘要: A simulation apparatus and method for a multicore system are provided. The simulation apparatus may prevent the occurrence of a data collision during the communication between modules and may reduce the overhead generated during simulation. The simulation apparatus may select a plurality of modules to be synchronized in terms of function execution timing based on timing information and may configure a multicore system architecture model using the selected modules. The simulation apparatus may acquire function execution timing information of the modules, control the execution of functions by the modules based on the acquired function execution timing information, and output the results of the control of the execution of functions by the modules.

    摘要翻译: 提供了一种用于多核系统的模拟装置和方法。 模拟装置可以防止在模块之间的通信期间发生数据冲突,并且可以减少模拟期间产生的开销。 模拟装置可以基于定时信息来选择要在功能执行定时上同步的多个模块,并且可以使用所选择的模块来配置多核系统体系结构模型。 模拟装置可以获取模块的功能执行定时信息,基于所获取的功能执行定时信息控制模块的功能的执行,并且输出模块执行功能的控制结果。

    Inverse quantizer for use in MPEG-2 decoder
    6.
    发明授权
    Inverse quantizer for use in MPEG-2 decoder 失效
    用于MPEG-2解码器的逆量化器

    公开(公告)号:US5712686A

    公开(公告)日:1998-01-27

    申请号:US774831

    申请日:1996-12-27

    申请人: Young-Chul Cho

    发明人: Young-Chul Cho

    摘要: An inverse quantizer, for use in an MPEG-2 video signal decoder, provides a 23-bit inverse quantized transform coefficient F in response to 13-bit (2QF+K), according to F=�(2QF+K).times.(W.times.quantizer.sub.-- scale )!/32 wherein QF is a quantized transform coefficient, W is an element of a predetermined weight matrix, and the quantizer.sub.-- scale is an integer ranging from 1 to 112 as given in MPEG-2 scheme. The inverse quantizer comprises a quantizer.sub.-- scale providing block for providing a (7-L)-bit modified quantizer.sub.-- scale and a selection signal based on the quantizer.sub.-- scale; a first multiplier for multiplying the modified quantizer.sub.-- scale with W, to provide a (15-L)-bit quantization step size; a second multiplier for multiplying (2QF+K) with the quantization step size, to provide a (28-L) bit output; a bit appending block for appending L zero bits to the output of the second multiplier, to provide a set of (L+1) 28-bit values; a multiplexor for selecting one of the (L+) 28-bit values in response to the selection signal; and a divider for dividing the selected 28-bit value by "2.sup.5 ", to thereby provide 23-bit F.

    摘要翻译: 根据F = [(2QF + K)×(W×量化器)),用于MPEG-2视频信号解码器的逆量化器响应13位(2QF + K)提供23位逆量化变换系数F -scale)] / 32其中QF是量化变换系数,W是预定权重矩阵的元素,并且量化器尺度是在MPEG-2方案中给出的范围从1到112的整数。 逆量化器包括量化器尺度提供块,用于提供基于量化器尺度的(7-L)位修改量化器量表和选择信号; 用于将修改的量化器尺度与W相乘的第一乘法器,以提供(15-L)位量化步长; 用于将(2QF + K)与量化步长相乘的第二乘法器,以提供(28-L)位输出; 一个附加块,用于将L个零比特附加到第二个乘法器的输出,以提供一组(L + 1)个28比特值; 多路复用器,用于响应于选择信号选择一个(L +)28位值; 以及用于将所选择的28位值除以“25”的分频器,从而提供23位F.

    LATENCY MANAGEMENT SYSTEM AND METHOD FOR MULTIPROCESSOR SYSTEM
    8.
    发明申请
    LATENCY MANAGEMENT SYSTEM AND METHOD FOR MULTIPROCESSOR SYSTEM 有权
    多处理器系统的延期管理系统和方法

    公开(公告)号:US20120151154A1

    公开(公告)日:2012-06-14

    申请号:US13163948

    申请日:2011-06-20

    IPC分类号: G06F12/08

    CPC分类号: G06F15/167

    摘要: A latency management apparatus and method are provided. A latency management apparatus for a multiprocessor system having a plurality of processors and shared memory, when the shared memory and each of the processors is configured to generate a delayed signal, includes a delayed signal detector configured to detect the generated delayed signal; and one or more latency managers configured to manage an operation latency of any one of the processors upon detection of the delayed signal.

    摘要翻译: 提供了延迟管理装置和方法。 一种用于具有多个处理器和共享存储器的多处理器系统的等待时间管理装置,当所述共享存储器和每个所述处理器被配置为产生延迟信号时,包括被配置为检测所生成的延迟信号的延迟信号检测器; 以及一个或多个延迟管理器,被配置为在检测到延迟的信号时管理任一个处理器的操作等待时间。