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随着计算机和半导体技术的发展,LED大屏幕显示系统成为集计算机控制、视频、光电子、微电子、通信、数字图像处理技术为一体的显示设备。本文介绍FPGA/CPLD技术下设计扫描码显示器,在利用单片机设计方法,以及基于FPGA的设计方法,用VHDL硬件语言进行描述,对现代社会关于FPGA技术发展做了实例验证。
With the development of computer and semiconductor technology, LED large screen display system has become a display device integrating computer control, video, optoelectronics, microelectronics, communication and digital image processing technology. This article introduces the design of scan code display under the FPGA / CPLD technology. It makes use of the design method of single chip microcomputer and the design method based on FPGA, and uses the VHDL hardware language to describe it. It also verifies the modern society about the development of FPGA technology.