LCD控制器的FPGA实现  

The Implementation of the LCD Controller Using FPGA

作　　者：陈东成[1] 胡敬营[1] 曾范昌[1] CHEN Dongcheng ,HU Jingying ,ZENG Fanchang(Jiangsu Automation Research Institute,Lianyungang Jiangsu 222061, Chin)

机构地区：[1]江苏自动化研究所,江苏连云港222061

出　　处：《电子器件》2017年第5期1115-1120,共6页Chinese Journal of Electron Devices

摘　　要：为实现PC输出在LCD原屏上的显示,设计了一种基于FPGA的LCD控制器,采用IP核搭建系统的框架,系统核心控制CPU采用了Xilinx的Micro Blaze软核,系统对外通信通过串口实现;通过Xilinx的集成逻辑分析仪IP核ILA在线采集输入、中间以及输出数据,验证系统的可行性及数据处理的正确性;最终的实验结果表明,所设计的控制器能够驱动LCD原屏,并且支持多种接口的视频输入,显示画面稳定,同时实现了两路视频的画中画显示,并可作为PC输出设备及视频监视设备。In order to display computer video on LCD,a LCD controller based on FPGA is designed. The system is formed of IP cores. The controlling CPU is Xilinx Microblaze soft core. The communication between PC and microblaze is the UART port. In order to survey the signals in the FPGA to identify the logic,the Xilinx integrated logic analyser IP core ILA is used to survey the critical signals. The result shows that the designed controller based on FPGA can drive the LCD,the system supports several kinds of video ports. The picture in picture displaying has been achived. The displaying picture is stable,which can be used as PC displaying device or displaying other videos.

关 键 词：FPGA 视频接口 LCD控制器 IP核 ILA 

分 类 号：TN941.1[电子电信—信号与信息处理]