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1、基于 FPGA 与单片机通讯的 LCD 显示模块设计摘 要在数字电路技术高度发展的今天，基于 FPGA、单片机的产品无处不在。液晶显示也成为现代显示器的主流产品。LCD 液晶显示已经是人机交互界面得以实现的关键手段。本文对基于 FPGA 与单片机通信及单片机驱动 LCD 液晶显示器系统进行了研究。本文简要介绍了用单片机作驱动控制器的 GDM12864A 的基本原理，汉字的显示原理以及单片机的原理。阐述了基于 51 系列单片机的 LCD 液晶显示器的并行方式的接口电路设计方法。对驱动电路的应用方法加以研究，还详细说明了其驱动程序相关部分的设计步骤并给出了相关代码。本设计的重点是用单片机驱动控制
2、LCD 显示器，接受来自 FPGA 发的信号。根据实验室的要求。FPGA 输出一些简单的数字信号，通过 LCD 显示相应的结果。本设计的目的就是将 LCD 用到实验里。不止做简单的几个汉字显示。让它显示我们试验中 FPGA 发的信号数字。在本课题中，FPGA 只传输一些在试验中比较简单的数字信号。所以在写驱动程序库在不需要太多的汉字库，设置一些数字，字母和一些常用的算数逻辑符号即可满足我们的要求。通过本课题设计能解决试验箱 GW48-SOPC 上 LCD 一直不被利用的状态，让它在教学中发挥它应用的作用。让我们在做实验时观察的结果更直观方便。关键词：FPGA，LCD，单片机，GDM12864A
3、，GW48-SOPCSingle-chip FPGA-based communications with the LCD display module designABSTRACTIn the digital circuit technology of todays highly developed, based on the FPGA, MCU products everywhere. LCD monitors have become the mainstream of modern products. LCD liquid crystal display is a man-machine
4、interface of the key means to achieve. In this paper, with the single-chip FPGA-based communications and single-chip LCD driver liquid crystal display systems were studied. This paper introduces the use of single-chip controller driver for GDM12864A the basic principles of the principle characters o
5、f the show, as well as the principle of single-chip microcomputer. 51 series of single-chip based on the LCD liquid crystal display mode of the parallel interface circuit design. Of the drive circuit to study the application of methods, but also a detailed description of its driver-related part of t
6、he design steps and give the relevant code. The focus of this design is a single-chip LCD display drive control, receive the signal from the FPGA made. In accordance with the requirements of the laboratory. FPGA output of some simple digital signal through the LCD shows the corresponding results. Th
7、e purpose of this design is the LCD used in the experiment. Do more than simply show that the number of Chinese characters. It shows that we made the pilot signal in the digital FPGA. In this issue, FPGA transmission only in the test is relatively simple digital signal. Therefore, in writing databas
8、e drivers do not need too much in hancku, set up some numbers, letters and a number of commonly used logic symbol count to meet our requirements. Issues through the design of the chamber to solve GW48-SOPC on LCD has not been utilized, and in teaching it to play its role in applications. Let us do s
9、dddo to observe the results of experiments to facilitate more intuitive.KEY WORDS：FPGA, LCD, single-chip, GDM12864A, GW48-SOPC目 录前 言 .6第 1 章 绪论 .81.1 开发背景及意义.81.2 系统方案.81.3 系统方案流程图.91.4 系统方案论证.101.5 系统需求.101.6 开发软硬件平台.10第 2 章 系统硬件设计 .122.1 单片机.122.1.1 单片机概述.122.1.2 单片机系列芯片介绍.122.2 FPGA.132.2.1 FPGA 概述.132.2.2 FPGA 系列芯片介绍.142.3 CPU 的选择及应用 .162.3.1 MCS-51 单片机的内部结构及芯片图.162.3.2 Cyclone EP1C6 结构及特性.212.4 LCD 液晶显示器.222.4.1 LCD 液晶器工作原理.222.4.2 GDM12864A 图形液晶显示模块电路特性.242.5 硬件原理连接.252.5.1 单片机与 FPGA 并行通信接口.
