摘要
对比了单片机系统中LED显示驱动电路的几种实现方案,着重介绍了LED显示驱动芯片MAX7219的工作原理和使用方法,最后给出了一个用MAX 7219驱动8位LED显示系统的应用实例。
In this paper ,several new solutions of LED display circuit in single-chip microcomputer system are compared ,the principle and application of display chip MAX7219 is introduced and an example of application of 8 -Bits LED display system with the drive of a MAX7219 chip is presented.
出处
《河南科技学院学报》
2005年第1期94-96,共3页
Journal of Henan Institute of Science and Technology(Natural Science Edition)
