【摘要】 报告了当前嵌入式系统中人机交互界面的现状与实际应用需求。介绍了液晶显示控制器在嵌入式系统设计中的地位和作用,液晶屏接口信号的定义及作用。以Samsung公司的32位嵌入式微处理器S3C44B0X为例,详细说明了液晶显示控制器的功能及软件配置方法。结合320×240点阵的256色超扭曲向列相(STN)液晶屏与处理器的接口电路设计,给出了可方便移植的程序代码和具体配置参数,并能在具体的嵌入式应用系统设计中将其作为设计参考。更多还原

【Abstract】 Report the actuality and practice appliance requirement of human-machine interface to the embedded system.The status and function of the LCD controller in the embedded system,and the liquid crystal displayer’s interface signal’s definition and function are in-troduced.The configure method of LCD controller embedded in the micro processor of Samsung S3C44B0X is explained in detail.The transplantable program and parameter which is used in the actual embedded system design is given,by using the interface design to a 320*240 color super twist nematic state liquid crystal displayer as an example.更多还原