... 直接记忆器存取控制器:DMA Controller 直接记忆器存取控制:DMA Control 直接记忆器存取功能:DMA Functions ...
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dma peripheral control 直接存储器存取外部控制
The definition and usage of the DMA control registers is useful to the programming of other peripherals.
该实例中控制寄存器的定义和引用可用于对其他片内外设的编程。
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.
其内部主要由DMA控制器(82c37)、中断控制器(82c59)、可编程间隔计时器(82c54),DRAM刷新控制器,等待状态产生器,系统重置电路组成。
The research result shows that the flexible control DMA can not only raise image data transfer efficiency but also improve DSP speed.
实验结果表明,通过灵活地控制DMA,不仅能够提高图像数据的传输效率,而且能够充分地发挥DSP的高速性能。
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