针对目前广泛使用的TMS320DM642处理器在视频/图像系统开发中容易出现的问题，从工程实践的角度进行了总结和分析。在介绍DM642视频/图像硬件系统原理的基础上，对电路设计、软件编程以及FLASH烧写过程中可能出现的问题进行了深入的分析，并给出相应的解决方法。并基于这款处理器进行了图像系统的实践开发，表明这些总结分析可以为DM642处理器的工程化提供一定参考。%According to the problems easily appeared in widely used TMS320DM642 processor during the video/image sys⁃tem development,these problems are summarized and analyzed from the point of engineering practice. The principle of DM642 video/image microsystem is introduced,then the problems that may come out during the circuit design,p software rogramming and FLASH burn are deeply analyzed,and also the corresponding solutions are proposed. The practice development of the image system was done based on TMS320DM642 processor. These results from the summary and analysis can effectively provide assis⁃tance for the development of DM642 video/image system.
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