Controller HX8258 datasheet - M-COMP

HX8258-A1200CH TFT LCD Source Driver with TCON5.7 Power on/off sequenceDATA SHEET V02To prevent the device damage from latch up, the power ON/OFF sequence shownbelow must be followed.Power ON: VCC, GND VDDA, VSS V1 to V10Power OFF: V1 to V10 VDDA, VSS VCC, GND5.8 Power on controlHX8258-A has a power ON sequence control function. When power is ON, blank datais outputted for 4-frames (default value) first, from the falling edge of the following VSsignal. The blank data would be gray level 255 for normally white panel.It can be defined in register R5 A_TIME[1:0].VCCRESETBSTB1 2 3 4 56VSSourceOutput invalid Blank datavalidFigure 5. 27 Power on control for Auto ModeHimax 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.35-January, 2007