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    • 4. 发明授权
    • System on a chip and a method for programming a DMA controller in a system on a chip
    • 芯片上的系统和用于在芯片上的系统中对DMA控制器进行编程的方法
    • US07464198B2
    • 2008-12-09
    • US11187601
    • 2005-07-22
    • Albert MartinezM. William Orlando
    • Albert MartinezM. William Orlando
    • G06F13/28G06F9/26
    • G06F13/28G06F12/1081
    • A method is provided for programming a DMA controller in a system on a chip. According to the method, a memory management unit translates a programming virtual address into a programming physical address according to a translation table. A first sub-block without discontinuity beginning at the programming physical address and ending at an end address equal to the physical address immediately preceding a first discontinuity is formed, with the first discontinuity being determined by a discontinuity module according to information supplied by a memory management unit. Some of the programming elements intended for the DMA controller are defined according to the first identified sub-block. Also provided is a system on a chip.
    • 提供了一种用于在芯片上的系统中对DMA控制器进行编程的方法。 根据该方法,存储器管理单元根据转换表将编程虚拟地址转换为编程物理地址。 形成在编程物理地址处开始并且结束于等于紧接在第一不连续之前的物理地址的结束地址的第一子块,其中第一不连续性由不连续模块根据由存储器管理提供的信息确定 单元。 根据第一个识别的子块来定义用于DMA控制器的一些编程元件。 还提供了一种芯片上的系统。