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TFT-LCD驱动原理简介NPD_EE:査敏佳Data:2009-8-6上海天马显示原理上海天马TFT-LCD面板等效电路上海天马OneofSub-Pixel上海天马驱动波形上海天马驱动波形-Feedthrough上海天马Feedthrough计算公式上海天马DriverICFunctionBlock上海天马Gate/Source/Com电压产生上海天马Gamma(Source)参考电压设置上海天马Gate参考电压设置上海天马VCOMPP参考电压设置上海天马VCOMC参考电压设置上海天马模式选择上海天马18BitCPUInterface上海天马16BitCPUInterface上海天马9BitCPUInterface上海天马8BitCPUInterface上海天马CPUInterfaceD[15:0]CS,RD,WR,RS驱LCDPanel动FMARKICRESET51FPAgingBoardCboard/fpgaVCC,IOVCC,GNDboardLEDA,LEDK1,LEDK2,LEDK3,LEDK4BLULCM_IDXL,XR,YU,YDTP上海天马18/16BitRegister读写上海天马8/9BitRegister读写上海天马18/16BitGRAM读写上海天马8/9BitGRAM读写上海天马RGBInterfaceD[23:0]VS,HS,DE,DCLK驱LCDPanel动SPIICRESET51FPAgingBoardCboard/fpgaVCC,IOVCC,GNDboardLEDA,LEDK1,LEDK2,LEDK3,LEDK4BLULCM_IDXL,XR,YU,YDTP上海天马SPIInterfaceTiming-Write上海天马SPIInterfaceTiming-Read上海天马RGBTIMING-DEModePreFrameOneFrameNextFrameCLK105012*525=6300CLK272*525=142800CLK1050DECLKCLKlast1st2nd271lastDATAlineInvalidDatalinelinelinelineInvalidDataTotal525CLKPerlineCLK480CLK2243CLKCLKDECLKDATAInvalidData12345480Invalid480pixelsperline上海天马THEENDQ&A