The TW8817 is a low cost high quality TFT panel controller with embedded NTSC/PAL/SECAM TV decoder. It incorporates all the features required to create multi-purpose low cost 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 allows direct interface with digital LCD panels. Its versatile analog inputs allow CVBS， S-video， signal to be connected simultaneously. Other features include： high quality adaptive 4H Comb Filter， 2D de-interlacer 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. it also includes cost saving feature like CCFL and LED controller， charge pump booster and programmable panel offset control. In addition， TW8817 has built-in microcontroller with external SPI interface.