HX8347 - Adafruit

HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip DriverDATA SHEET Preliminary V01VMH[7:0]: Set the VCOMH voltage (High level voltage of VCOM). VCOM Highvoltage = Decimal(VMH[7:0])x0.015+2.5.VMH7 VMH6 VMH5 VMH4 VMH3 VMH2 VMH1 VMH0VCOMH(DDVDH_TRI=0)VCOMH(DDVDH_TRI=1)0 0 0 0 0 0 0 0 2.500 2.5000 0 0 0 0 0 0 1 2.515 2.5150 0 0 0 0 0 1 0 2.530 2.5300 0 0 0 0 0 1 1 2.545 2.5450 0 0 0 0 1 0 0 2.560 2.5600 0 0 0 0 1 0 1 2.575 2.575: : : : : : : : : :: : : : : : : : : :1 0 0 1 0 0 1 1 4.705 4.7051 0 0 1 0 1 0 0 4.720 4.7201 0 0 1 0 1 0 1 4.735 4.7351 0 0 1 0 1 1 0 4.750 4.7501 0 0 1 0 1 1 1 4.765 4.7651 0 0 1 1 0 0 0 4.780 4.7801 0 0 1 1 0 0 1 4.795 4.7951 0 0 1 1 0 1 0 4.800 4.8101 0 0 1 1 0 1 1 4.800 4.8251 0 0 1 1 1 0 0 4.800 4.8401 0 0 1 1 1 0 1 4.800 4.855: : : : : : : : 4.800 :1 1 0 0 1 0 0 0 4.800 5.800: : : : : : : : 4.800 5.8001 1 1 1 1 1 1 0 4.800 5.8001 1 1 1 1 1 1 1 Setting inhibitedNote: Internal VREF can be modified by customer’s request. default VREF=4.8 if DDVDH_TRI=0, and VREF=5.8 ifDDVDH_TRI=1VCOMH= {Decimal(VMH[7:0])x0.015+2.5 }*(VREF/4.8) if DDVDH_TRI=0VCOMH= {Decimal(VMH[7:0])x0.015+2.5 }*(VREF/5.8) if DDVDH_TRI=1VML[7:0]: Set the VCOML voltage (Low level voltage of VCOM). VCOM Low voltage= Decimal(VML[7:0])x0.015-2.5.VML7 VML6 VML5 VML4 VML3 VML2 VML1 VML0 VCOML0 0 0 0 0 0 0 0 -2.5000 0 0 0 0 0 0 1 -2.4850 0 0 0 0 0 1 0 -2.4700 0 0 0 0 1 0 1 -2.455: : : : : : : : :1 0 1 0 0 0 1 1 -0.0551 0 1 0 0 1 0 0 -0.0401 0 1 0 0 1 0 1 -0.0251 0 1 0 0 1 1 0 -0.0101 0 1 0 0 1 1 1 VSS: : : : : : : :1 1 1 1 1 1 1 1 VSSNote: Internal VREF can be modified by customer’s request. default VREF=4.8 ifDDVDH_TRI=0 and VREF=5.8 if DDVDH_TRI=1VCOML= { Decimal( VML[7:0])x0.015-2.5 }*(VREF/4.8) if DDVDH_TRI=0,VCOML= { Decimal (VML[7:0])x0.015-2.5 }*(VREF/5.8) if DDVDH_TRIHimax 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.141-October, 2009