DATA SHEET - Glyn High-Tech Distribution

HX8346-A(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver5.4 Tearing Effect Output LineDATA SHEET V01The Tearing Effect output line supplies to the MPU a Panel synchronization signal.This signal can be enabled or disabled by the Tearing Effect Line Off & On commands.The mode of the Tearing Effect signal is defined by the parameter of the TearingEffect Line On command. The signal can be used by the MPU to synchronize FrameMemory Writing when displaying video images.5.4.1 Tearing Effect Line ModesMode 1, the Tearing Effect Output signal consists of V-Blanking Information only:Figure 5. 26t VREG1 = The LCD display is not updated from the Frame Memoryt vdl = The LCD display is updated from the Frame Memory(except Invisible Line – see below)Mode 2, the Tearing Effect Output signal consists of V-Blanking and H-BlankingInformation, there is one V-sync and 320 H-sync pulses per field.t hdl t hdhV-SyncV-SyncInvisible Line 1st Line 2nd LineFigure 5. 27t hdh = The LCD display is not updated from the Frame Memoryt hdl = The LCD display is updated from the Frame Memory(except Invisible Line – see above)161th Line162th LineNote: During STB In Mode, the Tearing Output Pin is active LowFigure 5. 28Himax 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.55-July, 2007