april 13 , 2012 1 fn8280.0 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. 2012 . 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 the ir respective owners. techwell ? get full datasheet lcd controller TW8830 description the TW8830 incorporates many of the features required to create multi - purpose a video d oor phone intercom 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 and gamma correction . it also supports panoramic scaling for conversion to wide screen display. the TW8830 supports a rich combination of inputs: cvbs, s - video, analog rgb as well as digital bt.656 . on the output side, it supports a wide variety of digital panel types with its built - in timing controller. features analog vide o decoder ntsc (m, 4. 4 3) 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 vertical filtered do wn 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 supp ort s analog input resolution up to 1080i or wxga digital inputs suppo rt support s bt. 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 s digital panel up to wv ga /svga resolution support s serial (8 - bit) rgb panel on screen display 6912 byte programmable font ram and 256 display ram four windows font osd with bordering / shadow ing 1/2/3/4 bits/pixel support s variable width (12/16), height (2~32) image processing high quality scaler with both up/down and nonlinear scaling support panorama / water - glass scalin g built - in 2d de - interlacing function programmable hue, brightness, saturation, contrast and sharpness p rogrammable cropping of input video and graphics independent rgb gain and offset controls panorama / water - glass scaling programmable 8 - 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
TW8830 all intersil u.s. products are manufactured, assembled and tested utilizing iso9000 quality systems. intersil corporations quality certifications can be viewed 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. information 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 www.intersil.com timing controller (t con) support s programmable timing interface signals for control column (source) driver / row (gate) driver mcu ind ustry standard 8052 based code fetch from external spi flash memory 512b xdata memory power management supports functional based independent power down 1.8 / 3.3 v operation miscellaneous supports 2 - wire serial bus interface built - in 2 channel auxiliary adc input single 27mhz crystal 80 - pin lq fp package applications video door phone intercom display controller portable dvd and dvrs players portable media player triple adcs triple adcs triple adcs 2d - comb video decode r scaler image enhance input controller bt656 i/f font osd output formatter tcon 2 - wire serial bus spi yin0~2 dtvclk dtvd[7:0] vin tcon signals flat panel out i2c_sda t i2c_scl k spi cin serial data mcu gpio triple adcs
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