基于SOPC的LED显示屏控制器设计  

Design of LED Display Panel Based on SOPC

作　　者：田秀伟[1] 郑喜凤[1] 丁铁夫[1] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所

出　　处：《液晶与显示》2007年第6期737-741,共5页Chinese Journal of Liquid Crystals and Displays

基　　金：吉林省与中国科学院科技合作资金项目(No.2005SYHZ0010)

摘　　要：可编程片上系统(SOPC)是一种灵活、高效的片上系统解决方案,为LED控制系统设计提供了一条新的途径。介绍了基于SOPC的LED脱机显示屏控制系统硬件和软件的设计,系统地阐述了采用Altera公司的Cyclone芯片为核心的硬件平台构建,并且给出LED控制系统的设计框图。详细介绍了NiosⅡ系统中USB控制模块、以太网控制模块和LED控制模块等自定义模块的设计。最后分析系统软件的设计流程及部分实现要点。设计结果表明采用SOPC解决方案具有较高灵活性和稳定性,LED显示屏的性能有明显的提高。SOPC is a flexible and efficient SOC design methodology,and it＇s a new technology for the control system design of LED display panel.The hardware and software design of the LED display panel control system based on SOPC was introduced.The system was based on the chip of Altera＇s Cyclone and the block diagram of the controller was drawn.The design of the user defined modules,such as USB interface module,ethernet module,LED controller module and so on were discussed in details.At last it introduced the software framework and some important point.It has been proved by the practical application that the system which was implemented by SOPC was high reliable and flexible,and there was a obvious improvement in the performance of LED display panel.

关 键 词：LED显示屏 可编程片上系统 NIOS Ⅱ FPGA 

分 类 号：TN27[电子电信—物理电子学] TP391[自动化与计算机技术—计算机应用技术]