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    • 6. 发明授权
    • Data transfer controller
    • 数据传输控制器
    • US5179663A
    • 1993-01-12
    • US884627
    • 1992-05-15
    • Kenji Iimura
    • Kenji Iimura
    • G06F13/28
    • G06F13/28
    • A data transfer controller having a plurality of data transfer channels, each having burst-number registers for prescribing the numbers of data transfer words in the individual channels, a total-burst-number register for prescribing the number of continuous data transfer words extending over at least two of the channels, and control means for performing a control for acquiring a bus mastership upon receiving a signal of the status of any of the channels capable of transferring data, for controlling the numbers of continuous data transfer words in the individual channels on the basis of the set values of the burst-number registers, respectively, and for maintaining the bus mastership for any other channel in the status capable of transferring data, until the numbers of the continuous data transfer words after the acquisition of the bus mastership reaches the set value of the total-burst-number register.
    • 一种具有多个数据传输通道的数据传送控制器,每个数据传输通道具有用于规定各个通道中的数据传送字数的突发数字寄存器,用于规定在 至少两个通道,以及控制装置,用于在接收到能够传送数据的任何通道的状态的信号时执行用于获取总线主管的控制,以控制在各个通道中的连续数据传送字的数量 分别是突发数量寄存器的设定值的基础,并且用于维持能够传送数据的状态中的任何其他通道的总线占有率,直到在获得总线主管之后的连续数据传送字的数量达到 总突发数量寄存器的设置值。