本文介绍了Proteus 中字符型液晶模块LM016L 的结构及其控制器HD44780 的指令

系统，完成了LM016L 与单片机80C51 的硬件接口电路设计及HD44780 控制器的驱动编

程, 实现了LM016L 自定义字符的显示。最后简要介绍了Proteus 仿真调试单片机的方法和

步骤。-This article describes the Proteus in the structure of LM016L Character LCD module and its controller HD44780 instruction completed LM016L with 80C51 microcontroller hardware interface circuit design and HD44780 controller-driven programming to realize LM016L custom character display. Concludes with a brief descr iption of the Proteus simulation methods and steps to debug microcontroller.