Abstract
On the basis of the introduction of the TFT color LCD principle and the analysis of the VGA interface standard, a TFT LCD driver board design program based on the AD9985A chip and the EPM3128A chip is proposed. A system block diagram of the TFT LCD driver board is designed. Then the main circuit design of the system is described in detail, including the power circuit design, the analog interface chip AD9985A circuit design and the programmable logic device EPM3128A circuit design. Finally, the main content of software design are introduced. Practice shows that the design is feasible and effective.
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