HX8347 - Adafruit

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HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver5.9.2 LCD power generation schemeDATA SHEET Preliminary V01The boost voltage generated is shown as below.VGHVGH(2DDVDH~3DDVDH)DDVDHDC/DCDDVDHVCI (2.3 ~ 3.3V)DC/DCVREG1VCOMHVREG1 (3.3V ~5.8V)VCOMHVSSA, VSSD (0V)DC/DCx (-1)VCLVCOMLDC/DCVCOMLRegister / Voltage mappingVGLVGL(-VCI-2DDVDH~-VCI-DDVDH)Figure 5.30: LCD power generation schemeHimax ConfidentialFor Go-tek OnlyThis 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.82-October, 2009
HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver5.10 Gamma characteristic correction functionDATA SHEET Preliminary V01The HX8347-G offers two kinds of Gamma adjustment ways to come to accord withLC characteristic, one kind is through Source Driver directly, another one is adjustedby the digital gamma correction. The Gamma adjustment way is select by internalregister DGC_EN bit.A) Gamma adjustment of Source DriverGary-scale of R6SourceDriverGary-scale of WhiteGary-scale of GGammaregisterGary-scale of BB) Gamma adjustment of Digital Gamma CorrectionGary-scale of R6R,G,BGammacorrection(LUT)Dithering8 6SourceDriverGary-scale of RGary-scale of GGary-scale of GGammaregisterGary-scale of BGary-scale of BFigure 5.31: Gamma adjustments different of source driver with digital gamma correctionThe HX8347-G offers Gamma adjustment ways to come to accord with LCcharacteristic through Source Driver directly.Himax ConfidentialFor Go-tek OnlyThis 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.83-October, 2009
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HX8347 - Adafruit

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