DATA SHEET - Glyn High-Tech Distribution

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HX8346-A(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver5.8.2 Various Boosting StepsDATA SHEET V01The boost steps of each boosting voltage are selected according to how the externalcapacitors are connected. Different booster applications are shown as below.C11AVLCDVLCDC11BCX11ACX11BC21AVGH, VGLVGHC21BC22AVGLC22BVCLC12AVCLC12BFigure 5. 36 Various boosting stepsHimax ConfidentialThis information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosedin whole or in part without prior written permission of Himax.-P.61-July, 2007
HX8346-A(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver5.9 Gray Voltage Generator for Source DriverDATA SHEET V01The HX8346-A incorporates gamma adjustment function for the 262,144-color display(64 grayscale for each R, G, B color). Gamma adjustment operation is implementedby deciding the 8 grayscale levels firstly in gamma adjustment control registers tomatch the LCD panel. These registers are available for both polarities.GraphicsRAM(GRAM)R5R4R3R2R R1 0GGG G GG5 4 3 2 1 0B5B4B3B2B B1 06 6 66-bit Grayscale 6-bit Grayscale 6-bit GrayscaleD/A Converter D/A Converter D/A ConverterOutput Driver Output Driver Output DriverR G BLCDV0V1V63GrayscaleVoltageGeneratorOP OP04 03OPOP 14OP 13OP OPPositivepolarityRegisterONNegativepolarityRegistre12 1102 01 0012 11OPOP01 0010CP CP CPCP CP CP10MP MP MPMP MP MPMP MP MP02 01 0012 11 1022 21 20MP MP MPMP MP MPMP MP MPON32 31 3042 41 4052 51 50ONON03 02 01 00ON 14ON ON ON ON13 12 11 10CNCNMNMNMNMNMNMNCNCNCNCN02 01 0012 11 10MNMNMNMNMNMNMNMNMNMNMNMN02 01 0012 11 1022 21 2032 31 3042 41 4052 51 50Figure 5. 37Himax ConfidentialThis information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosedin whole or in part without prior written permission of Himax.-P.62-July, 2007
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