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    • 2. 发明授权
    • Direct memory access controller
    • 直接内存访问控制器
    • US06219724B1
    • 2001-04-17
    • US09145331
    • 1998-09-01
    • Sang Beom KimDae Nyung ChunKi Hyun KimJang Sik ChoiSeung Ku HwangChee Hang Park
    • Sang Beom KimDae Nyung ChunKi Hyun KimJang Sik ChoiSeung Ku HwangChee Hang Park
    • G06F1300
    • G06F13/28
    • The present invention relates to a direct memory access controller, specifically to a direct memory access controller which controls the direct memory access between internal modules and high speed external memories such as SDRAM(Synchronous Dynamic RAM) in high speed digital signal processors having burst transmission feature. The direct memory access controller comprises a plurality of direct memory access controller circuits, a direct memory access bus arbiter, and a direct memory access bus bridge connecting a direct memory access master bus and a direct memory access slave bus and providing a data transmission path between external high speed memories and input/output devices according to a signal from the direct memory access controller which is connected to said master bus.
    • 本发明涉及一种直接存储器访问控制器,具体涉及一种直接存储器访问控制器,其控制内部模块与诸如具有突发传输特征的高速数字信号处理器中的SDRAM(同步动态RAM)的高速外部存储器之间的直接存储器访问 。 直接存储器访问控制器包括多个直接存储器访问控制器电路,直接存储器访问总线仲裁器和连接直接存储器访问主总线和直接存储器存取从属总线的直接存储器访问总线桥,并且提供数据传输路径 外部高速存储器和输入/输出装置根据来自直接存储器访问控制器的信号连接到所述主总线。