HX8347 - Adafruit

HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip DriverDATA SHEET Preliminary V016.43 CABC control 5~7 register (PAGE1 – RC3h, RC5h, RC7h)R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1BC_CTLPWMDIV2PWMDIV1PWMDIV01 1INPLUS1R 1BC_CTLPWMDIV2PWMDIV1PWMDIV01 1INPLUS1Figure 6.107: CABC control 5 (PAGE1 – RC3h)R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1PWM_PERIOD7PWM_PERIOD6PWM_PERIOD5PWM_PERIOD4PWM_PERIOD3PWM_PERIOD2PWM_PERIOD1PWM_PERIOD0R 1PWM_PERIOD7PWM_PERIOD6PWM_PERIOD5PWM_PERIOD4PWM_PERIOD3PWM_PERIOD2Figure 6.108: CABC control 6 (PAGE1 – RC5h)PWM_PERIOD1PWM_PERIOD0R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W10DIM_FRAME6DIM_FRAME5DIM_FRAME4DIM_FRAME3DIM_FRAME2DIM_FRAME1DIM_FRAME0R 10DIM_FRAME6DIM_FRAME5DIM_FRAME4DIM_FRAME3DIM_FRAME2Figure 6.109: CABC control 7 (PAGE1 – RC7h)DIM_FRAME1DIM_FRAME0BC_CTL: The control reigister for LED driver when IC needs enable signal.‘0’: BC_CTRL pin=’L’‘1’: BC_CTRL pin=’H’PWM_DIV[2:0]: Internal PWM_CLK divider for CABC clock.PWM_DIV[2:0]Divider0 PWM_CLK/11 PWM_CLK/22 PWM_CLK/43 PWM_CLK/84 PWM_CLK/165 PWM_CLK/326 PWM_CLK/647 PWM_CLK/128Note: PWM_CLK is OSC frequency in system interface and DOTCLK in RGB interface.INVPULS: The backlight PWM output polarity select.‘0’, The backlight PWM output is low level active.‘1’, The backlight PWM output is high level active.PWM_PERIOD[7:0] : The backlight PWM output period setting.Backlight PWM output period = 1 / (PWM_CLK / clock divider (PWMDIV)) x(255x(PWM_PERIOD[7:0]+1))DIM_FRAME[6:0] : Manual brightness setting dimming period.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.167-October, 2009