基于单片机的HT1621液晶显示系统设计

针对单片机控制的智能化设备对人机对话接口简单、便捷的要求，采用段式液晶显示模块HT1621D与单片机STC89C52进行液晶显示系统的设计，阐述了该系统的硬件构成和软件设计过程，并给出了硬件接口和软件流程图。该液晶显示系统具有硬件电路简单可靠、I／O口线占用少、显示稳定、功耗低、界面友好、程序编写简单等优点，在实践中取得很好的应用效果。

Design of LCD Display System Based on MCU and HT1621

For the easy and convenient request on the equipment of man-machine conversation interface from MCU controlled intelligent industrial equipment, the LCD module HT1621D and MCU STC89C52 are used to design LCD display system. The hardware configuration and software design process are proposed, the hardware interface and software flow chart are included. The design has advantages of simple and reliable hardware circuit, small occupied I/O port line, stable performance, low power consumption, friendly interface and easy programming. The design obtained good application results.