液晶显示模块FM12232C的原理及其在数控切割系统中的应用

Principal and Application of Graphics Lattice Liquid Crystal Module FM12232C

本文介绍通过扩展 I/O口实现 FM1 2 2 3 2 C液晶模块与单片机的接口。通过自制字库 ,用单片机实现汉字和数字的显示。在数控切割系统中 ,应用该液晶模块实现人机界面的正确显示。该图形点阵液晶显示模块具有功耗低 ,体积小、价格低、使用方便、接口简单等特点 ,适于推广 ,能广泛使用于一些小型的数控系统、自动控制。

The article introduces the construction of FM12232C model Graphics lattice liquid crystal module and its application in the numberical control incising system, and the interface methods with the microcomputer through extend of I/O interface. Through building-up the self-made word library the author realizes the displaying of digits and words with microcomputer. The graphics lattice liquid crystal module has the characters such as small, cheap, convenient, etc. And the interface circuit is very simple to set up to the microcomputer. So it suits to be wide spread in the fields such as some numerical control incising system, automatic control apparatus, supervisory control apparatus and test meters, etc.