HX8347 - Adafruit

HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver6.33 CABC control 1~4 register (PAGE0 -3Ch~3Fh)DATA SHEET Preliminary V01R/WWDNC1RB7DBV7RB6 RB5 RB4 RB3 RB2 RB1 RB0DBV6DBV5DBV4DBV3DBV2DBV1DBV0R 1DBV7DBV6DBV5DBV4DBV3DBV2DBV1Figure 6.57: CABC control 1 register (PAGE0 -3Ch)DBV0R/WWDNC1RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0* *BCTRL *DD BL* *R 1 0 0BCTRL0 DD BL 0 0Figure 6.58: CABC control 2 register (PAGE0 -3Dh)R/WWDNC1RB7RB6 RB5 RB4 RB3 RB2 RB1 RB0* * * * * *C1C0R 1 0 0 0 0 0 0 C1 C0Figure 6.59: CABC control 3 register (PAGE0 -3Eh)R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1CMB7CMB6CMB5CMB4CMB3CMB2CMB1CMB0R 1CMB7CMB6CMB5CMB4CMB3CMB2CMB1Figure 6.60: CABC control 4 register (PAGE0 -3Fh)CMB0These commands are used to set CABC parameterDBV[7:0]: The backlight PWM pulse output duty is equal to DBV[7:0]/255 xCABC_duty.BCTRL: Backlight Control Block On/Off, This bit is always used to switch brightnessfor display.‘0’ = Off (Equal to DBV[7:0] = ‘00h’)‘1’ = On (Brightness registers are active.)DD: Display Dimming (Only for manual brightness setting)‘0’: Display Dimming is off.‘1’: Display Dimming is on.BL: Backlight Control On/Off‘0’ = Off (Completely turn off backlight circuit. Control lines must be low. )‘1’ = OnHimax 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.154-October, 2009