数字视频监控单元的设计  

Design of Digital Video Monitoring Unit

作　　者：卢飞飞[1] 魏宗寿[1] 邢东峰[1] 

机构地区：[1]兰州交通大学光电技术与智能控制教育部重点实验室,甘肃兰州730070

出　　处：《现代电子技术》2010年第24期74-76,共3页Modern Electronics Technique

摘　　要：介绍了一个基于嵌入式平台而设计的视频监控系统。采用TMS320DM365为核心的处理器,通过模块化的方式设计了一种智能数字视频监控单元。单元包括视频采集输入、外部存储器、以太网和视频输出4部分。该设计利用了TMS320DM365的多外围接口特性,选用4个芯片,以满足其视频处理功能。单元的视频采集输入使用TVP5158视频解码器,DDR2 SDRAM采用W971GG6IB,NAND FLASH为K9F2808U0C,以太网控制器采用ENC28J60。该系统的处理器核工作速率高达300 MHz。A video monitoring system based on embedded platform is introduced.TMS320DM365 is taken as a core processor in the system.An intelligent digital video monitoring unit is designed with the modularization method.The unit consists of four parts： video acquisition input,external memory,Ethernet and viedo output.The advantage of multiple external interfaces is utilized and four chips are selected to meet the viedo processing function of the design.The unit＇s gathering and input of video uses TVP5158 video decoder is adopted in the video acquisition input section of the unit.W971GG6IB is used for DDR2 SDRAM.The function of NAND flash is achieved by K9F2808U0C.ENC28J60 is employed for Ethernet controller.The processor＇s working velocity rate of the system is up to 300 MHz.

关 键 词：TMS320DM365 数字视频 监控 外围接口 

分 类 号：TN911-34[电子电信—通信与信息系统]