点阵电子显示屏制作摘 要本系统是从实际应用角度出发，针对当前市场上流行的LED产品的应用领域而设计制作的多功能电子显示屏，可用于商场导购促销显示、新闻与广告显示、车站机场班次时间资讯显示等。本简易 16 行*64 列 LED 电子显示屏根据题目设计要求，硬件部分主要包括SPCE061A 单片机系统、16 块 8*8LED 点阵显示模块构成 16*64 点阵、显示驱动电路、SPR4096 存储器、PCF8563 实时时钟电路、键盘输入控制器等部分，还外扩了液晶显示、温度实时检测、无线通讯、电机驱动屏幕旋转等电路，。本系统不仅能够实现数字、字母、汉字等预存信息的切换显示，同时还可以实现信息的定时循环、上下左右滚屏、LED 显示亮度连续可调、实时时间显示、实时温度显示、无线遥控、显示屏旋转等扩展功能。另外，本系统可以和 PC 机通讯，通过 PC 机串口对显示信息进行更新。关键词：LED 电子显示屏 SPCE061A 串行通信AbstractThe LED lattice display system is a kind of new information display media with the rapid development of the computer, micro-electronics, photoelectron technology.This 16*64 LED display system includes SPCE061A MCU system, sixteen 8*8 LED lattice modules, display driving circuit, SPR4096 memory module, PCF8563 as the real-time clock chip, keyboard controller et. In addition, it includes LCD circuit, real-time temperature detective, RF communication circuit. This system can display the numbers, letters, Chinese characters. It can display the information timely and circularly, up-rollingly, down rollingly left-rollingly, right-rollingly. The lightness of the displaying information can be adjusted continuously. Further more, this system can be remote controlled and communicate with PC by COM1 to update the display information.Keywords: LED lattice display system SPCE061A serial communication1目 录一、方案比较................................................................................................................41、控制系统...........................................................................................................42、点阵信息提取方案...........................................................................................43、显示驱动电路...................................................................................................5二、硬件设计与论证....................................................................................................51、主控制单片机...................................................................................................62、LED 显示驱动电路..........................................................................................63、数据存储器.......................................................................................................84、键盘液晶显示模块...........................................................................................95、无线通信模块...................................................................................................96、时钟电路的设计.............................................................................................107、温度检测.........................................................................................................108、打印机的选择.................................................................................................119、旋转底盘的设计.............
