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    • 1. 发明授权
    • Variable length decoder with enhanced routing of data to multiplexers
    • 可变长度解码器,具有增强的数据路由到多路复用器
    • US6133860A
    • 2000-10-17
    • US186637
    • 1998-11-06
    • Seung-Chol RyuYong-Hwan Kim
    • Seung-Chol RyuYong-Hwan Kim
    • H04N19/00H03M7/40H04N1/41H04N19/423H04N19/426H04N19/91
    • H03M7/40
    • The present invention relates to a variable length decoder having a reduced size of a chip achieved by decreasing the size of the output data and simultaneously enabling effective input/output data processing. The present invention includes: a control signal generator for generating a data access control signal, a multiplexing control signal and a shift control signal wherein the control signal generator is supplied with the word length of data to be outputted; a first data storage device wherein a shift of a previously-stored data is executed when the data access control signal is activated and new data is inputted into a space vacated by the shift; a multiplexing device for outputting selectively a portion of data stored in the first data storage device according to the multiplexing control signal; and a shifter for varying a shift pointer according to a value of the shift control and for operating upon data from the multiplexing device.
    • 本发明涉及通过减小输出数据的大小并同时实现有效的输入/输出数据处理而实现的芯片尺寸减小的可变长度解码器。 本发明包括:用于产生数据访问控制信号的控制信号发生器,复用控制信号和移位控制信号,其中向控制信号发生器提供要输出的数据的字长; 第一数据存储装置,其中当数据访问控制信号被激活并且新数据被输入到由该移位空出的空间中时,执行先前存储的数据的移位; 多路复用装置,用于根据复用控制信号选择性地输出存储在第一数据存储装置中的数据的一部分; 以及移位器,用于根据移位控制的值改变移位指针,并对来自多路复用装置的数据进行操作。