january 26 , 2012 1 fn7855.2 caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1 - 888- intersil or 1 - 888- 468- 3774 | copyright intersil americas inc. 2011, 2012 . all rights reserved intersil (and design) is a trademark owned by intersil corporation or one of its subsidiarie s. all other trademarks mentioned are the property of their respective owners. t e c h w e l l get full datasheet tft display controller tw8832, tw8832s description the tw8832 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 functions, which include black and white stretch, 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, analog rgb as well as digital inputs . on the output side, it supports a variety of digital panel types with its built - in timing controller. applications ? in - car display controller ? portable dvd and dvrs players ? portable media player 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 correction ? 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 ve rtical filtered down scaling with arbitrary scale down ratio analog rgb inputs ? triple high speed 10 - bit adcs with clamping and programmable gain amplifier ? sog and h/v sync support for ypbpr or rgb input ? built - in line locked pll with sync separator ? support analog input resolution up to 1080i or wxga digital inputs support ? support 656 video formats tft panel support ? built - in programmable timing controller ? supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built - in dithering engine ? support digital panel up to wv ga /svga resolution ? support serial (8 - bit) rgb panel on screen display ? 256 programmab le font ram and 384 display ram ? four windows font osd with bordering / shadow ? supports bit - mapped based osd through spi ( tw8832s only) image processin g ? 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
tw8832, tw8832s for additional products, see www.intersil.com/product_tree intersil products are manufactured, assembled and tested utilizing iso9000 quality systems as noted in the quality certifications found at www.intersil.com/design/quality 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 intersil is believed to be accurate and reliable. however, no responsib ility 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 implication or otherwise under any pate nt or patent rights of inters il or its subsidiaries. for information regarding intersil corporation and its products, see www.intersil.com power management ? supports functional based independent 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 triple adcs triple adcs 2d - comb video decoder scaler image enhance input controller bt656 i/f font osd output formatter tcon 2 - wire serial bus spi osd yin0~2 dtvclk dtvd[7:0] vin tcon signals flat panel out i2c_sdat i2c_sclk spi cin led/ vcom control serial data triple adcs figure 1 . functional block dia gram
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