摘要
LED显示在单片机系统中应用广泛,它能够直观地向人报告系统运行状态与结果。论述单片机应用系统中LED显示译码驱动电路的几种实现方案,比较每种方案各自的优缺点,着重介绍了专用显示驱动芯片MAX7219的工作原理与应用方法,指出专用译码驱动芯片在单片机系统显示应用中的广阔前景。
LED display is widely used in singlechip system,which it can distinctly show the state and result of the system. Discusses several new solutions of LED display circuit, compares the advantages and shortcomings of all solutions, introduces the principle and application of special display chip MAX7219, and also designates that the special coding and driving chips have great value in display application of singlechip system.
出处
《现代计算机》
2007年第9期89-91,共3页
Modern Computer
