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DMA方式传输数据是计算机应用系统中用于提高数据传输速率和微处理器使用效率的一项重要技术。本文主要介绍了一种高速信息交换系统中的多通道DMA接收控制模块(RMAC)的设计,其内容主要包括:DMA控制模块的功能、整体模块的规划设计实现及其特点。
Data transfer by DMA is an important technique used in computer applications to increase the data transfer rate and the efficiency of microprocessors. This article mainly introduces the design of a multi-channel DMA receive control module (RMAC) in the high-speed information exchange system. The content mainly includes the function of DMA control module, the planning and design of the whole module and its characteristics.