NAND FLASH存储器K9WBG08U1M在视频记录器中的应用

摘要

A new video recorder was designed according to the characteristics of large amount of digital video data to im- prove the real-time performance and stability of video recorder. The design method based on the FPGA+DSP architecture was adopted for the interface of this video recorder. The read- write time sequence of K9WBG08U1M memory array was designed. The real-time read-write of the K9WBG08U1M array was realized. The continuous record and display of the images from infrared imaging system and CCD images were carried out with this video recorder in the experiment. The experiment results indicate that the video recorder composed of 16 pieces of K9WBG08U1M memories can realize successive video real-time record and play- back in 2.5 h. The video recorder satisfies the real-time requirement of image,and has perfect robustness.%为提高视频记录器的实时性和稳定性，并结合数字视频数据量较大的特点，在此设计了一种新型视频记录器。该记录器接口采用基于 FPGA+DSP架构的设计方法，设计了 K9WBG08U1M存储阵列读写时序，实现了对K9WBG08U1M阵列的实时读写。采用该记录器分别对红外热像仪输出图像和CCD相机采样图像进行连续录播实验，实验结果表明，采用该方法设计的视频记录器，由16片K9WBG08U1M存储器组成的阵列可实现连续两个半小时的视频实时录取和播放。该视频记录器满足图像实时性要求，鲁棒性好。