HX8347 - Adafruit

HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver6.20 Power control 3 register (PAGE0 -1Ch)DATA SHEET Preliminary V01R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1* * * * * AP2 AP1 AP0R 1 * * * * * AP2 AP1 AP0Figure 6.30: Power control 3 register (PAGE0 -1Ch)AP[2:0]: Adjust the amount of current driving for the operational amplifier in the powersupply circuit. When the amount of fixed current is increased, the LCD drivingcapacity and the display quality are high, but the current consumption is increased.Adjust the fixed current by considering both the display quality and the currentconsumption.AP2 AP1 AP0 Constant Current of Operational Amplifier0 0 0 Operation of the operational amplifier stops0 0 1 Small0 1 0 Small0 1 1 Small1 0 0 Medium1 0 1 Medium High1 1 0 Large1 1 1 Setting Inhibited6.21 Power control 4 register (PAGE0 -1Dh)R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W1*I/PI_FS02I/PI_FS01I/PI_FS00*N/P_FS02N/P_FS01N/P_FS00R 1 *I/PI_FS02I/PI_FS01I/PI_FS00*N/P_FS02N/P_FS01N/P_FS00Figure 6.31: Power control 4 register (PAGE0 -1Dh)N/P_FS0[2:0]: Set the operating frequency of the step-up circuit 1 and extra step-upcircuit 1 for DDVDH voltage generation in Normal / Partial mode.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.136-October, 2009