机构地区: 中山职业技术学院
出 处: 《山西电子技术》 2011年第1期30-31,共2页
摘 要: 针对现今LED广告屏的广泛使用,应用AT89C2051的可编程功能和串口通信功能,设计一个与计算机通信,可控的LED显示系统。上位机为计算机,下位机为单片机控制16块8×8LED显示屏构成的电路,下位机通过串口与上位机通信,改变显示内容。除了分析其设计思路外,还给出硬件原理图与软件流程图。系统具有设计简单、显示清晰、可靠性高的特点。 For the widespread use of LED advertising screen at present,the paper designs a LED display system with the application of AT89C2051 programmable functions and serial interface communication function.The upper machine is computer,the lower machine is a circuit made of 16 8 8 LED screen controlled by MCU.Through the communication with upper machine,the lower machine can update the display information.This design of the system is simple,clear display,high reliability.In addition to analyzing the design ideas,it also gives the hardware schematics and software flow chart.
领 域: [自动化与计算机技术] [自动化与计算机技术]