On-Screen DisplayControlling the Shuttering EffectMN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company197PanasonicFigure 7-32 Shutter Movement Setup ExamplesTelevision screenVSM0 = 1: V shutter 0 movement enabledVSM1 = 0: V shutter 1 movement disabledHSM0 = HSM1 = 1: Movement enabled for H shutters 0 and 1VSMP0 = 0: V shutter 0 moves downwardSHTSP0 = SHTSP1 = 0: Shutter moves 1 HSYNC each VSYNCVSHT1VSHT0Shuttered regionHSHT0 HSHT1This example shows V shutter 0 moving downward.It shutters both the text and the background color in the text layer.HSHT0VSHT1VSHT0HSHT1VSON0 = VSON1 = 1: V shutters 0 and 1 onHSON0 = HSON1 = 1: H shutters 0 and 1 onVSP0 = 1: V shutter 0 shutters aboveVSP1 = 0: V shutter 1 shutters belowHSP0 = 1: H shutter 0 shutters to the leftHSP1 = 0: H shutter 1 shutters to the rightSHTRAD = 1: All shutters ORedABCDEVSHT1VSHT0ABCDEVSHT1VSHT0ABCDEVSHT1VSHT0Vertical shutter 0 stops x’3FF’ HSYNC lines from the topof the screen.You must set OSDREGE = x’1’, or the shutters will notmove (PCNT2 register, bit 0).
