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基于Intel PXA255的TFT-LCD驱动设计

Design of TFT LCD Driver Based on Intel PXA255

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【作者】 安吉宇于涛李拥军孙铁铮

【Author】 AN Ji-yu 1,2 , YU Tao 1,3 , LI Yong-jun 1,2 ,SUN Tie-zheng1 (1.Changchun Institute of Optics, Fine Mechanics and Physics,Chinese Academy of Sciences, Changchun 130033, China; 2.Graduate School of Chinese Academy of Sciences, Beijing 100039, China; 3.North Liquid Crystal Display Engineering Research and Development Center, Changchun 130033,China)

【机构】 中国科学院长春光学精密机械与物理研究所中国科学院研究生院 北京100039北方液晶工程研究开发中心吉林长春130033中国科学院研究生院北京100039

【摘要】 介绍了PXA255的LCD控制器以及CJM10C0101LCD模块的信号时序要求,并结合二者的特点,设计了基于PXA255的CJM10C0101液晶模块的硬件驱动电路和Linux下的驱动程序,在LCD上能显示清晰稳定的静态画面。该设计在嵌入式设备中对于驱动LCD模块具有通用性,Linux下的驱动程序具有很强的移植性,可应用于不同的开发系统。

【Abstract】 The LCD controller of the PXA255 and the timing sequence of the CJM10C0101 LCD module are introduced. According to their characteristics, the drive circuit and Linux display driver are designed based on PXA255. As the result, the clear and stable pictures can be shown on the LCD. This design can be used in most of the embedded device for driving LCD module, the Linux display driver can be well transplanted to the other developing system with a few changes.

【关键词】 TFT-LCD驱动程序液晶模块
【Key words】 TFT-LCDdriving program