MC 14489显示驱动器的应用

摘要

This paper introduces the structure, typical characteristics and application of MC14489 first, and then presents the application circuit. Finally the paper discusses the interface circuit and the communication between the MC1 4489 and single - chip microprocessor.%介绍了显示驱动器MC14489的内部结构、特点及应用，同时给出其具体应用电路，最后探讨了其与单片机接口及通讯线路，给出了实验调试程序，实际应用表明：接口线路简单、运行方便，适于在工业控制系统中使用.