内置液晶面板控制器解码器和模拟的事项TW8807

　　The TW8807 is a low cost high quality TFT panel controller with embedded NTSC/PAL/SECAM TV decoder. It incorporates all the features required to create multipurpose LCD TV systems in a single package. It contains all the circuits required to adapt standard NTSC/PAL/SECAM analog TV input signals for display on various TFT LCD panel types. An integrated timing controller and three DACs allows direct interface with analog LCD panels. Its versatile 5 analog inputs allow CVBS， S-video signal to be connected simultaneously. Other features include： high quality adaptive 4H Comb Filter， downscaling to QVGA output resolution， 2D deinterlacer and panoramic scaler， and multi-window programmable OSD. It also includes image enhancement functions， such as black and white stretch， 2D peaking， CTI， and favorite color enhancement to further improve picture quality. To support analog panel， it also includes cost saving features like charge pump booster and programmable panel offset control.

　　Analog Video Decoder NTSC （M， 4.43） and PAL （B， D， G， H， I， M， N， N combination）， PAL （60）， SECAM with automatic format detection  Advanced synchronization processing for VCR trick play signal  Two 10-bit ADCs and analog clamping circuit  Built-in analog anti-aliasing filter  Fully programmable static gain or automatic gain control for the Y or CVBS channel  Programmable white peak control for the Y or CVBS channel  Software selectable analog inputs allows any of the following combinations：  Up to 4 composite video  UP to 1 S-Video  4-H adaptive comb filter Y/C separation  PAL delay line for color phase error correction  Digital PLL for both color and horizontal locking  Programmable hue， brightness， saturation， contrast， sharpness， Gamma control， and noise suppression  Automatic color control and color killer  Detection of level of copy protection according to Macrovision standard