双核嵌入式处理器的HDMI高清接口设计  

HDMI High Definition Interface Design Based on Dual-core Embedded Processor

作　　者：李静[1] 安康[1] 孙亚萍[1] 

机构地区：[1]杭州师范大学钱江学院电气机械工程系,浙江杭州310012

出　　处：《电视技术》2010年第2期29-31,共3页Video Engineering

基　　金：国家自然科学基金项目(60372058;60772101);杭州师范大学钱江学院科学研究资助项目

摘　　要：介绍了基于双核嵌入式处理器TMS320DM6446平台的HDMI接口的设计与实现。介绍了HDMI接口的工作流程、HDCP加密实现、信息帧控制以及与DVI兼容显示等。本系统可实现720p和1080i的高清视频输出。利用HDMI数字接口高分辨力、低损耗等特点,可以克服现有VGA模拟显示的许多缺点,极大提升了嵌入式平台图像质量。Design of HDMI video system based on dual core embedded processor TMS320DM6dd6 is introduced. The realization of software procedure, the encryption of HDCP and the implementation of info-frame are introduced. The system can output HDTV video with resolution up to 720p and 1080i. Compared with VGA analog video display, HDMI has lots of advantages such as higher resolution and less signal distortion which can significantly enhances embedded system＇ s display quality.

关 键 词：HDMI 高清 双核处理器 TMS320DM6446 HDCP 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]