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Design and Realization of General LCD Controller Based on FPGA

WANG Ming-hao,WU Xiao-xia(1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China)  
Based on FPGA,the drive method of liquid crystal display is studied according to logic and time sequence of liquid crystal display standard.A general liquid crystal display controller is designed which can work under different resolution,the program of the general liquid crystal display controller is implemented with the Verilog language.The general controller can implement clear dynamic display at different resolution.Experimental results indicate that the hardware resource consumption of controller is much lower,it is good in generalization and easy for portability,satisfying the system requirement.Without any modification the controller can be easily transplanted to other embedded systems as a display part to drive high-resolution LCD.
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