一种数字RGB接口的大尺寸彩色LED显示屏设计  

A Design of Lager-scalar Color-LED-screen for RGB Digital Interface

作　　者：吴君钦[1] 李艳丽[1] 苗瑞瑞[1] 

机构地区：[1]江西理工大学信息工程学院,江西赣州341000

出　　处：《江西理工大学学报》2010年第5期37-40,共4页Journal of Jiangxi University of Science and Technology

基　　金：江西省自然科学基金资助项目(2008GZS0030)

摘　　要：基于FPGA芯片设计了一种RGB数字接口的大尺寸彩色LED显示屏完整方案,提出了一种子块图像扫描寻址方法,使用同步串行接口技术,在扫描控制器与LED子模块间实现了高速图像数据传输,并分析了核心代码设计.实验证明设计可靠、结构灵活、性能优越、成本可控.A design of lager-scalar color-LED-screen,for digital RGB interface is propdsed on the basis of FPGA chip.A method of sub-block image scanning and addressing is stated.The technology of synchronized serial interface is adapted to implement high speed image data transportation between LED sub-block and scanning controller,and analysze the VHDL code of kernel design.The experiment results show that the design is very stable,its constuction is flexible,its performance is excellent,and its cost is controllable.

关 键 词：RGB LED显示 扫描寻址 串行同步传输 FPGA 

分 类 号：TN27[电子电信—物理电子学]