毕业设计（论文）题 目： 基于单片机的点阵显示系统设计 学 院： 电子信息学院 专业班级： 自动化 2025 级 2 班 指导老师： 职称： 副教授 学生姓名： 学 号： 摘 要伴随着科技的进步，LED 点阵显示屏作为一种新兴的显示器件走进我们的视野，它是由多个独立的 LED 发光二极管封装而成。通过 LED 点阵显示屏可以显示数字、符号以及文字，通常用在广告，指示牌，公告牌上。LED 点阵电子显示屏是集微电子技术、计算机技术、信息处理技术于一体的大型显示屏系统。它以其色彩鲜艳，动态范围广，亮度高，寿命长，工作稳定可靠等优点而成为众多显示媒体以及户外作业显示的理想选择。本设计利是一种基于 STC89C52 单片机的 16*16 点阵显示屏的设计，其中STC89C52 单片机负责对整个系统进行总体控制，设计中使用 4 块 8*8 单红色点阵屏来组成 16*16 点阵屏，通过三极管来控制点阵的行方向，而列方向的控制采纳两片串行输入八位并行输出的 74HC595 级联，通过快速的动态刷新来显示我们需要的内容，以达到动态显示的目的。关键词：点阵，单片机，锁存器，动态扫描ABSTRACTWith the progress of science and technology, LED dot matrix display, which is packaged from multiple independent LED light-emitting diodes, as an emerging display device has come into our field of vision. Because LED dot matrix display can display numbers,symbols and words, it usually used in advertising, signage and bulletin board.Electronic LED dot matrix display is a large system which joins microelectronics technology, computer technology,information processing technology. It has become ideal option for the show of many media and outdoor activities because of the merits of bright colors, wide dynamic range, high brightness, long life, stable and reliable work.This design is a design of 16*16 dot matrix display screen based on STC89C52 microcontroller, which is responsible for overall control of entire system, it uses 4 pieces of 8*8 single red dot matrix screen to form a 16*16 dot matrix screen, the line of...
