april 2 4 , 2014 1 fn8279.1 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 2012, 2014 . 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. lcd controller TW8820 description the TW8820 incorporates many of the features required to create a multi-purpose video door phone intercom lcd display system in a single package. it integrates a high quality 2d comb ntsc/pal/secam video decoder, high quality scaler, and image enhancement functions which include black and white stretch and gamma correction. it also supports panoramic scaling for conversion to wide screen display. TW8820 supports analog composite video input and the output supports a wide variety of digital lcd panel types with its built-in timing controller. features 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 ? 10 -bit adc 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 ? 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 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 ? supports digital panels up to wvga/svga resolution ? supports serial (8-bit) rgb panels timing controller (tcon) ? supports programmable timing interface signals for control ? column (source) driver/row (gate) driver on screen display ? 6912 byte programmable font ram and 256 display ram ? four windows font osd with bordering/shadowing ? 1/2/3/4 bits/pixel ? supports variable width (12/16), height (2~32) image processing ? high quality scaler with both up/down and nonlinear scaling support ? panorama/water-glass scaling ? built-in 2d de-interlacing function ? programmable hue, brightness, saturation, contrast and sharpness ? programmable cropping of input video and graphics ? independent rgb gain and offset controls ? programmable 8-bit gamma correction for each color ? operates in frame sync mode ? black/white stretch clock generation ? sp read spectrum clock ? selectable modulation frequency and spread width mcu ? industry standard 8052 based ? code fetch from external spi flash memory ? 512 byte xdata memory power management ? supports functional based independent ? power-down ? 1.8/3.3v operation
tw88 2 0 for additional products, see www.intersil.com/product_tree intersil products are manufactured, assembled and tested utilizing iso9001 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 b y intersil 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 grante d by implication 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 miscellaneous x supports 2 - wire serial bus interface x built - in auxiliary adc input x single 27mhz crystal x 64 pin lqfp package applications x video door phone intercom display controller x portable dvd players, media players, and dvrs x rear camera displays tw88 2 0 functional b lock d iagram triple adcs triple adcs triple adcs 2d - comb video decoder scaler image enhance input controller font osd output formatter tcon 2 - wire serial bus spi yin1~2 tcon signals flat panel out i2c_sdat i2c_sclk spi serial data mcu gpio
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