HX8347 - Adafruit

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<strong>HX8347</strong>-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip DriverGamma resister streamDATA SHEET Preliminary V01The block consists of two gamma resister streams one is for positive polarity and theother is for negative polarity, each one including eight gamma reference voltages.VgP/N (0, 1, 2, 3, 8 20, 32(31), 43, 55, 60, 61, 62, 63). Furthermore, the block has apin (VGS) to connect a variable resistor outside the chip for the variation betweenpanels, if needed.Figure 5.33: Gamma resister stream and gamma reference voltageHimax 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.86-October, 2009
<strong>HX8347</strong>-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip DriverVariable resisterDATA SHEET Preliminary V01There are two types of variable resistors, one is for center adjustment and the other isfor offset adjustment. The resistances are decided by setting values in the centeradjustment, offset adjustment registers. Their relationships are shown below.Value in RegisterVR(P/N)0 5-0ResistanceVR(P/N)0Value in RegisterVR(P/N)1 5-0ResistanceVR(P/N)1Value in RegisterVR(P/N)2 5-0000000 0R 000000 0R 000000 0R000001 20R 000001 2R 000001 2R000010 22R 000010 4R 000010 4R000011 24R 000011 6R 000011 6RResistanceVR(P/N)2••••••••••••011101 76R 011101 58R 011101 58R011110 78R 011110 60R 011110 60R011111 80R 011111 62R 011111 62R100000 84R 100000 66R 100000 66R100001 88R 100001 70R 100001 70R100010 92R 100010 74R 100010 74R••••••••••••111101 200R 111101 182R 111101 182R111110 204R 111110 186R 111110 186R111111 208R 111111 190R 111111 190RValue in RegisterVR(P/N)3 5-0ResistanceVR(P/N)3Value in RegisterVR(P/N)4 5-0ResistanceVR(P/N)4Value in RegisterVR(P/N)5 5-0000000 0R 000000 0R 000000 0R000001 4R 000001 4R 000001 4R000010 8R 000010 8R 000010 8RResistanceVR(P/N)2••••••••••••011101 116R 011101 116R 011101 116R011110 120R 011110 120R 011110 120R011111 124R 011111 124R 011111 124R100000 128R 100000 128R 100000 128R100001 130R 100001 130R 100001 130R100010 132R 100010 132R 100010 132R••••••••••••111100 184R 111100 184R 111100 184R111101 186R 111101 186R 111101 186R111110 188R 111110 188R 111110 188R111111 190R 111111 190R 111111 208RTable 5.13: Offset adjustment 0 ~ 5Value in RegisterPR(P/N)0 6-0ResistancePR(P/N)0Value in RegisterPR(P/N)1 6-0ResistancePR(P/N)10000000 0R 0000000 0R0000001 2R 0000001 2R0000010 4R 0000010 4R••••••••1111101 250R 1010101 250R1111110 252R 1111110 252R1111111 254R 1111111 254RTable 5.14: Center adjustmentHimax 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.87-October, 2009
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