《液晶显示驱动》PPT课件

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1、基于MIPI-DPI规范的液晶显示驱动接口设计TFT-LCD驱动原理MIPI_DP_specification设计与仿真TFT-LCD驱动原理TFT-LCD结构示意图TFT-LCD显示驱动原理TFT-LCD矩阵结构MIPI_DPI_specificationDisplayArchitecturesandInterfaceConstructionsDisplayPixelInterfaceInteroperabilityTherearetwotypesofelectricalconnectionsbetweenthehostprocess

2、orandthedisplaymodule.•PowerSignals.Powerissuppliedfromeitherthehostprocessororfromapowermanagementunitthatiscontrolledbythehostprocessor.•InterfaceSignals.Pixeldata,commands,andcontrolinformationaretransferredbetweenthehostprocessoranddisplaymoduleusingtheinterfacesigna

3、ls.Thehostprocessorinterfaceshallimplementa24-bitdatawidthandaccompanyingcontrolandtimingsignals,asspecifiedinsection6.Thehostprocessorinterfaceshallbecapableoftransferringdataas16-bit,18-bit,or24-bitwords.DPIInterfaceSignalsandPowerConnectionsThehostprocessorshallsuppor

4、tallcontrolsignalsforType2,Type3,andType4displayarchitecturesasshowninFigure5.SDandCMarerequiredcontrolsignalsforType4compliantdisplaymodulesonly.Hostprocessorsshallsupportalltimingparametersetsdescribedinsection10.Ifadisplaymodulesupportsadisplayresolutioninsection10the

5、nitshallsupportthetimingparametersasdescribedforthatresolution.Boththehostprocessoranddisplaymodulemayoperateoverarangeofvaluesthatincludethegiventimingparameters.PowerSupplyConnectionsandInterfaceSignalsProgrammableTimingParametersInterfaceElectricalCharacteristicsDPITi

6、mingParameterExamplesShutdownforType4ArchitectureColorModeforType4Architecture设计与仿真本设计基于QuartusII的FPGA设计工具通过编写verilogHDL程序实现DPI接口功能