1、 - 1 - 基于单片机的 LCD 图形显示器的设计 摘摘 要要 LCD 是一种新技术的基础元器件。它利用液晶的各种电光效应,把液晶 对电场、磁场、光线和温度等外界条件的变化在一定条件下转换为可视信号 而制成的显示器。液晶显示器具有低电压、低功耗的特点,与 CMOS 集成电 路相匹配。 液晶显示器的应用领域也越来越多,在电子表、计算器、数码相机、计 算机的显示器和液晶电视上都可以看到他的身影。 计算机在社会领域的渗透, 单片机的应用正在不断地走向深入,同时带 动显示技随着术的发展。 本文以AT89C51单片机为核心,构建了一个基于单片机的LCD图形显示系 统。实现图像及文本在 LCD 上可靠显
2、示,硬件部分包括单片机最小系统,液 晶显示界面两大部分。液晶选用 128X64 点阵的液晶模块。本系统显示直观, 控制方便。 软件部分应用单片机 C 语言实现了本设计的全部控制功能。 关键词关键词 LCDLCD;AT89C51AT89C51;点阵;图形;点阵;图形 - 2 - AbstractAbstract LCD is a new technology based components. It uses a variety of liquid crystal electro-optic effect, the LCD on the power Field, magnetic field,
3、light and temperature changes in external conditions such as under certain conditions, converted to visual signals Made of the display. LCD display with low-voltage, low power consumption, and CMOS integrated circuitsMatch. LCD applications, more and more, in the electronic form, calculators, digita
4、l cameras, computing Machine monitors and LCD TVs can see his shadow.Computer penetration in the social sphere, SCM applications are continually deepening, while driving Display technology with the technical development.In this paper, AT89C51 microcontroller as the core, built a microcontroller based LCD graphics display system.Image and text in the LCD display on a reliable, minimum system hardware including microcontrollers, LCD Shows the interface of two parts. LCD 128X64 dot matrix LCD