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    Apparatus and method for controlling transfer of data between and processing of data by interconnected data processing elements
    3.
    发明授权
    Apparatus and method for controlling transfer of data between and processing of data by interconnected data processing elements 失效
    用于通过互连的数据处理元件来控制数据传输和数据处理之间的装置和方法

    公开(公告)号：US6105083A

    公开(公告)日：2000-08-15

    申请号：US879981

    申请日：1997-06-20

    申请人： Jeffrey D. Kurtze ,  Craig R. Frink ,  James Hamilton ,  Frank C. Sarnowski ,  Raymond D. Cacciatore ,  Scott A. Markinson ,  Michael F. Lamenza ,  Anthony O'Connor ,  Hamed Eshraghian

    发明人： Jeffrey D. Kurtze ,  Craig R. Frink ,  James Hamilton ,  Frank C. Sarnowski ,  Raymond D. Cacciatore ,  Scott A. Markinson ,  Michael F. Lamenza ,  Anthony O'Connor ,  Hamed Eshraghian

    IPC分类号： G06F13/38 ,  G06F13/42 ,  H04N7/24 ,  H04N7/26 ,  H04N7/50

    CPC分类号： G06F13/4213 ,  H04N19/42 ,  H04N19/61 ,  H04N7/24

    摘要： The present invention provides a generic interface which enables asynchronous data processing elements to be interconnected using an interconnection protocol that controls flow of data between the processing elements. The flow control allows the processing elements to be data independent from, i.e., the processing elements need not be designed for a fixed sample rate or resolution, sample format and other data dependent factors. When used with digital motion video data, the processing elements may process motion video data at various temporal and spatial resolutions and color formats. Flow of data between processing elements may be controlled by handshake signals indicating whether the sender has valid data and the receiver can receive data. When valid data is available at the sender and is requested by the receiver, a transfer of data occurs. The characteristics of the data, and functions to be performed on the data may be specified using control inputs to the processing elements. A counting circuit may be used to specify the number of the data samples for which the control inputs are valid. The interface allows each processing element to have a small number of storage locations for storing data, such as a pair of registers, which eliminates the need for large buffers and simplifies implementation of the processing element with such flow control as a simple integrated circuit.

    摘要翻译： 本发明提供了一种通用接口，其使得能够使用控制处理元件之间的数据流的互连协议来互连异步数据处理元件。 流量控制允许处理元件与数据无关，即处理元件不需要被设计用于固定的采样率或分辨率，采样格式和其他依赖于数据的因素。 当与数字运动视频数据一起使用时，处理元件可以处理各种时间和空间分辨率和颜色格式的运动视频数据。 处理元件之间的数据流可以由指示发送者是否具有有效数据并且接收方可以接收数据的握手信号来控制。 当有效数据在发送器处可用并且被接收器请求时，发生数据传送。 可以使用对处理元件的控制输入来指定数据的特性和对数据执行的功能。 可以使用计数电路来指定控制输入有效的数据样本的数量。 该接口允许每个处理元件具有用于存储数据的少量存储位置，诸如一对寄存器，其消除了对大缓冲器的需要并且简化了具有如简单集成电路的流量控制的处理元件的实现。