这里将重点描述视频输入接口的设计以及画质增强模块的设计。
And I'll emphasize the design of video input interface and modules of display enhance.
在硬件设计主要介绍系统组成中的外部存储器模块与视频输入输出模块，介绍了使用片上支持库编写DM642中视频驱动程序的方法，以及编写过程中DM642中断和直接存储器存取（DMA）的应用；
The hardware chapter introduces the external memory module and video I/O module, programs video-driver for the DM642 by using CSL, discuss the applications of interrupt and direct memory access (DMA).
视频信号采集模块中，采用ADV7183芯片实现了视频数据的采集输入，设计乒乓缓冲区数据组织结构实现了视频数据的输入和访问，提高了数据访问效率。
In the video CODEC module, the design based on ADV7183 was proposed. To improve the data access efficiency, a data structure called ping-pong buffer was presented for the input video data.
除表现电脑输入，包罗bkm128 WX输入模块可用于能够表现NTSC制式，PAL和高清视频。
In addition to displaying computer input, the included BKM128WX input module may be used to enable display NTSC, PAL, and High Definition video.
除表现电脑输入，包罗bkm128 WX输入模块可用于能够表现NTSC制式，PAL和高清视频。
In addition to displaying computer input, the included BKM128WX input module may be used to enable display NTSC, PAL, and High Definition video.
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