april 25, 2013 1 fn7825.1 caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1 - 888 - intersil or 1 - 888 - 468 - 3774 | copyright intersil americas llc 2011 , 201 3 . all rights reserved intersil (and design) is a trademark owned by intersil corporation or one of its subsidiaries. all other trademarks mentioned are the property of their respective owners. datashee t to request the full datasheet, please visit www.intersil.com/products/tw 8 831 tft display controller TW8831 the TW8831 incorporates many of the features required to create multi - purpose in - car lcd display system in a single package. it integrates a high quality 2d comb ntsc/pal/secam video decoder, triple high speed rgb adcs, high quality scaler , and images enhancement fu nctions which include black and white stretch and etc. it also supports panoramic scaling for conversion to wide screen display. on the input side, it supports a rich combination of cvbs, s - video . on the output side, it supports variety of digital panel ty pes with its built - in timing controller. features ? analog video decoder ? ntsc (m, 4.34) and pal (b, d, g, h, i, m, n, n combination), pal (60), secam with automatic format detection ? three 10 - bit adcs and analog clamping circuit ? 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 ? high quality adaptive 2d comb filter for both ntsc and pal inputs ? pal delay line for color phase error corr ection ? image enhancement with 2d dynamic peaking and cti ? digital sub - carrier pll for accurate color decoding ? digital horizontal pll and advanced synchronization processing for vcr playback and weak signal performance ? programmable hue, brightness, saturation, contrast and sharpness ? high quality horizontal and vertical filtered down scaling with arbitrary scale down ratio ? tft panel support ? built - in programmable timing controller ? supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with bui lt - in dithering engine ? support digital panel up to wv ga /svga resolution ? support serial (8bit) rgb panel ? on screen display ? 256 programmable font ram and 384 display ram. ? four windows font osd with bordering / shadow ? image processing ? high quality scaler with both up/down and nonlinear scaling support ? built - in 2d de - interlacing function ? programmable hue, brightness, saturation, contrast and sharpness ? supports programmable cropping of input video and graphics ? independent rgb gain and offset controls ? panorama / water - glass scaling ? programmable 10 - bit gamma correction for each color ? operated in frame sync mode ? black/white stretch ? clock generation ? spread spectrum clock ? modulation frequency and spread width are selectable ? power management ? supports functional based i ndependent power down ? 1.8 / 3.3 v operation ? miscellaneous ? supports 2 - wire serial bus interface ? built - in single led back light controller ? built - in vcom dc voltage ? built - in vcom analog amplitude ? built - in dc - dc convert o r ? single 27mhz crystal ? 80 - pin lqfp package applications ? in - car display controller ? portable dvd and dvrs players ? portable media player
TW8831 for additional products, see www.intersil.com/product_tree intersil products are manufactured, assembled and tested utilizing iso900 1 quality systems as noted in the quality certifications found at http://www.intersil.com/en/support/qualandreliability.html intersil products are sold by description only. intersil corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. infor mation furnished by inters il is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. no license is granted by imp lication or otherwise under any patent or patent rights of intersil or its subsidiaries. for information regarding intersil corporation and its products, see http://www.intersil.com functional block diagram triple adcs 2d - comb video decoder scaler image enhance input controller font osd output formatter tcon 2 - wire serial bus yin0~2 vin tcon signals flat panel out i2c_sdat i2c_sclk cin led/ vcom control serial data
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