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针对ADSP-21535Blackfin的MemDMA高速通信中的关键技术进行了讨论,分析了系统的内存管理,对DMA的相关寄存器的配置进行了详细讲解,并给出了具体实例。对多种内存之间的DMA列出了实际的指标评测,为该系列DSP工程应用的高速通信设计提供了重要参考。
The key technologies of ADSP-21535Blackfin for MemDMA high-speed communication are discussed. The memory management of the system is analyzed. The configuration of the DMA-related registers is explained in detail and examples are given. The DMA between a variety of memory lists the actual index evaluation, which provides an important reference for the design of high-speed communications in this series of DSP engineering applications.