《LCD成像示意》PPT课件.ppt

LCD 成像示意圖,TCON,DATA,Scaling,RGB,DVI(TMDS),ADC,OSD,MCU,GATE Shift Register,Multi-select,Video,Frame buffer,Panel Cell,PC,ROM,Gamma,LCD 成像示意圖,1024,768,O O O O O O O O d d d d d d d d 0 1 2 3 4 5 6 7,E E E E E E E E E d d d d d d d d 0 1 2 3 4 5 6 7,DC to AC,LCD Panel,控制訊號,Shift register,O O O O O O O O d d d d d d d d 0 1 2 3 4 5 6 7,E E E E E E E E E d d d d d d d d 0 1 2 3 4 5 6 7,gm5020,R,類比 數位 選擇器,選擇控制,數位 R,奇;偶數選擇,ADC,O O O O O O O O d d d d d d d d 0 1 2 3 4 5 6 7,E E E E E E E E E d d d d d d d d 0 1 2 3 4 5 6 7,gm5020,R,B,G,LCD Panel,1024x768,Data 1,Data 2,Data 3,Data 4,Data 5,Data 6,Data 7,Data 8,Gate Shift Register 1,Gate Shift Register 2,Gate Shift Register 3,TCON,Data 1,384(pixel) = 128(line) x 3(RGB),128 x 8 =1024,48 = 8(bit) x 3(RGB) x 2(even odd),SRAM = 384 x 8(bit),8 Bits latch,8 Bits,DAC,8 Bits latch,8 Bits,DAC,8 Bits latch,8 Bits,DAC,8 Bits,8 Bits,8 Bits,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,8 Bits latch,DAC,Multi-select,Shift Register,T0 1000000000 T1 0100000000 T2 0010000000 T3 0001000000 T4 0000100000 T5 0000010000 T6 0000001000,Odd,Even,TCON,Data register,Panel cell,Input Video,Caption window,Output Video,H-sync and V-sync | Resolution | Caption Window | Buffer ( line/frame ) | Output clock,Scaling,640x480 - 1024x768 1024/640 = 1.6 768/480 = 1.6 1.6 : 1 = 16:10 = 8:5,0/5 = 0.0 1/5 = 0.2 2/5 = 0.4 3/5 = 0.6 4/5 = 0.8 5/5 = 1.0,0/8 = 0.000 1/8 = 0.125 2/8 = 0.250 3/8 = 0.375 4/8 = 0.500 5/8 = 0.625 6/8 = 0.750 7/8 = 0.875 8/8 = 1.000,Scaling,0/5 = 0.0 1/5 = 0.2 2/5 = 0.4 3/5 = 0.6 4/5 = 0.8 5/5 = 1.0,0/8 = 0.000 1/8 = 0.125 2/8 = 0.250 3/8 = 0.375 4/8 = 0.500 5/8 = 0.625 6/8 = 0.750 7/8 = 0.875 8/8 = 1.000,Line Buffer,Line buffer,ADC,Buffer,Output,Frame buffer,TCON,DATA,Scaling,RGB,DVI(TMDS),ADC,OSD,MCU,GATE Shift Register,Multi-select,Video,Frame buffer,LVDS or TTL,Normal or RSDS,TMDS,ROM,Gamma,RGB,DVI(TMDS),ADC,RGB,DAC,DVI(TMDS),1024,768,ADC,PC,Signal cable,ADC,Phase,Data = Data2 = Data * Cable_loss_gain = Data3 = (Data2 - offset1) * ADC_Gain = Data4 = Data3 - offset2,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,並列 = 串列,Line = Line / n Frequency = Frequency * n,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,串列 =並列,Line = Line * n Frequency = Frequency / n,TMDS,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,TMDS,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,LVDS,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,LVDS,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,D2,D3,D4,D5,D6,D7,D0,D1,