基于PCI总线的中文字符液晶屏显示设计

Design of LCD Display of Chinese Characters Based on PCI Bus

介绍一个汉字点阵屏幕显示电路的组成、工作原理及其实现。着重介绍了PLX9052的ISA接口模式配置、WDM驱动程序地址重定位以及与应用程序的通信的原理及方法。最后给出汉字屏幕显示效果图。

In this paper, the constitution, principles and accomplishment of a circuit of displaying Chinese characters are introduced. Particularly, principles and methods of ISA interface mode configurations of PLX 9052, WDM driver address remap and communication with application programs are discussed in detail. Finally, the effect figure of Chinese characters screen display is depicted.