HX8347-D - Mikrocontroller.net

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<strong>HX8347</strong>-D(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver8.17 OSC control register (PAGE0 -18h & R19h)DATA SHEET Preliminary V01R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1I/P_RADJ3I/P_RADJ2IP_RADJ1I/P_RADJ0N/P_RADJ3N/P_RADJ2N/P_RADJ1N/P_RADJ0R 1I/P_RADJ3I/P_RADJ2IP_RADJ1I/P_RADJ0N/P_RADJ3N/P_RADJ2N/P_RADJ1N/P_RADJ0Figure 8.26 OSC control 1 register (PAGE0 -18h)R/WWDNC1RB7RB6 RB5 RB4 RB3 RB2 RB1 RB0* * * * * **OSC_ENR 10 0 0 0 0 0 0OSC_ENFigure 8.27 OSC control 2 register (PAGE0 -19h)These commands are used to set internal oscillator related settingOSC_EN: Enable internal oscillator, OSC_EN = ‘1’, internal oscillator start to oscillate.OSC_EN = ‘0’, internal oscillator stop. In RGB interface mode (PAGE0 -CM[1:0] = ‘10’or ‘11’), internal oscillator will be stop to oscillate and OSC_EN bit control is invalid.N/P_RADJ[2:0]: Internal oscillator frequency adjusts in Normal / Partial mode.I/PI_RADJ[2:0]: Internal oscillator frequency adjusts in Idle(8-color) / Partial Idlemode.For details, please refer to “7.1 Internal Oscillator” section.RADJ3 RADJ2 RADJ1 RADJ0Internal Oscillator DisplayFrequency Frame rate0 0 0 0 50% x 2.85MHz 35Hz0 0 0 1 67% x 2.85MHz 45Hz0 0 1 0 75% x 2.85MHz 50Hz0 0 1 1 83% x 2.85MHz 55Hz0 1 0 0 100% x2.85MHz 65Hz0 1 0 1 108% x 2.85MHz 70Hz0 1 1 0 117% x 2.85MHz 75Hz0 1 1 1 125% x 2.85MHz 80Hz1 0 0 0 100% x 2.85MHz 65Hz1 0 0 1 133% x 2.85MHz 90Hz1 0 1 0 150% x 2.85MHz 100Hz1 0 1 1 167% x 2.85MHz 110Hz1 1 0 0 200% x 2.85MHz 130Hz1 1 0 1 217% x 2.85MHz 140Hz1 1 1 0 233% x 2.85MHz 150Hz1 1 1 1 250% x 2.85MHz 160HzHimax 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.123-March, 2009
<strong>HX8347</strong>-D(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver8.18 Power control 1 register (PAGE0 -1Ah)DATA SHEET Preliminary V01R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1* * * * * BT2 BT1 BT0R 1 * * * * * BT2 BT0 BT0Figure 8.28 Power control 1 register (PAGE0 -1Ah)BT[2:0]: Switch the output factor of step-up circuit 2 for VGH and VGL voltagegeneration. The LCD drive voltage level can be selected according to thecharacteristic of liquid crystal which panel used. Lower amplification of the step-upcircuit consumes less current and then the power consumption can be reduced.BT2 BT1 BT0 DDVDH VCL VGH VGL0 0 0 5.0V -VCI 3DDVDH -VCI-2DDVDH0 0 1 5.0V -VCI 3DDVDH -2DDVDH0 1 0 5.0V -VCI 3DDVDH VCI-2DDVDH0 1 1 5.0V -VCI VCI+2DDVDH -VCI-2DDVDH1 0 0 5.0V -VCI VCI+2DDVDH -2DDVDH1 0 1 5.0V -VCI VCI+2DDVDH VCI-2DDVDH1 1 0 5.0V -VCI 2DDVDH -2DDVDH1 1 1 5.0V -VCI 2DDVDH -VCI-DDVDHNote: When VCI = 2.8V, DDVDH_TRI=0BT2 BT1 BT0 DDVDH VCL VGH VGL0 0 0 6.1V -VCISetting Settinginhabited inhabited0 0 1 6.1V -VCI 3DDVDH -2DDVDH0 1 0 6.1V -VCI 3DDVDH VCI-2DDVDH0 1 1 6.1V -VCI VCI+2DDVDH -VCI-2DDVDH1 0 0 6.1V -VCI VCI+2DDVDH -2DDVDH1 0 1 6.1V -VCI VCI+2DDVDH VCI-2DDVDH1 1 0 6.1V -VCI 2DDVDH -2DDVDH1 1 1 6.1V -VCI 2DDVDH -VCI-DDVDHNote: When VCI = 2.8V, DDVDH_TRI=1Himax 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.124-March, 2009
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HX8347-D - Mikrocontroller.net

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