Abstract: This article is an introduction to the basic consthection、direction system and programmingmethod, of dot-matrix liquid crystal display DMF5001N,and programming method using language turbo C. for display with diagnosis instrument of rotation mechanical fault.

Key words: dot-matrix liquid crystal display, direction system.language, turbo C single-chip microcomputer

摘要： 介绍DMF5001N点阵式LCD显示器的基本结构、指令系统和编程方式，以及应用前景．

关键词: 液晶显示, 指令系统, 单片机