1 fn 8597 . 1 may 8 , 2014 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 2013 , 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. datashee t to request the full datasheet, please visit www.intersil.com/products/tw 8 819 ultra low cost lcd controlle r TW8819 description the TW8819 is an ultra low cost h ighly integrated lcd controller . it combines a high quality 2d comb ntsc/pal/secam video decoder, high quality scaler , font based osd engine, and image enhancement functions . it also supports panoramic scaling for conversion to wide screen display. the TW8819 supports analog composite video input s and the output supports a wide variety of digital lcd panel types . applications ? rear camera d isplay ? video door p hone features a nalog v ideo 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 enhance ment with 2d dynamic peaking and cti ? digital sub - carrier pll for accurate color decoding ? digital horizontal pll and a dvanced 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 ? support s digital panel s up to w x ga + ( 1 366 x 768 ) resolution ? support s s erial (8 - bit) rgb panel s timing controller (tcon) ? supports programmable timing interface signals for control ? column (source) driver/ row (gate) driver on screen display ? 256 font ram and 512 d isplay ram ? four wi ndows font osd with bordering/ shadow ing ? 1/2/3/4 bits/pixel ? supports variable width (12/16), heigh t (2~32) image processing ? high quality scaler with both up/down and nonlinear scaling support ? panorama/ w ater - 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 ? programmable 8 - bit gamma correction for each color ? operates in frame sync mode ? black/white stretch clock generation ? spread spectrum clock ? selectable m odulation frequency and spread width power management ? suppor ts functional based independent power down ? 1.8/ 3.3 v operation miscellaneous ? short to battery detection test ? short to ground detection test ? supports 2 - wire serial bus interface ? single 27mhz crystal ? 48 pin wf qfn package (wettable flank qfn available)
TW8819 for additional products, see www.intersil.com/product_tree intersil products are manufactured, assembled and tested utilizing iso9001 or ts16949 quality systems as applicable 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, s oftware 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 responsibili ty 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 intersil or its subsidiaries. for information regarding intersil corporation and its products, see http://www.intersil.com TW8819 functional block diagram yin0+ / yin0 yin0 - / yin1 10bit adc 2d comb decoder csc font osd gamma dither out mux tcon tcon signals ttl 24/18bit serial rgb osc spread spectrum pll registers i2c diagnostic pwm1,2 gpio1~4 mpo/irq yin2+ / yin2 yin2 - / yin3 m u x scaler image enhancer timing gen. aaf irq
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