fn8598 rev 3.00 page 1 of 2 july 26, 2016 fn8598 rev 3.00 july 26, 2016 TW8809 low cost video format converter data short to request the full datasheet, please visit www.intersil.com/products/TW8809 the TW8809 is a low cost video format converter that can take either analog cvbs or 24-bit digital rgb format video and output these signals in itu- r.656 format. the video sources can be scaled and deinterlac ed, so that the itu-r bt.656 output is already formatted to the desired resolution and in progressive format. in addition, the TW8809 has built-in osd and image enhancement capabilities. applications ? rear seat entertainment ? radio head unit 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 ? selectable differential or single-ended cvbs input ? supports two differential or 4 single-ended cvbs inputs ? 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 subcarrier 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 digital input ? supports ycbcr/rgb 24-bit input ? supports both bt.656 and bt.601 video formats ? supports input resolutions up to 720p digital output ? itu-r bt.656 compatible ycbcr (4:2:2) output format ? progressive itu-r bt.656 output format for both interlaced and progressive inputs ? output resolution up to svga (pseudo bt.656) on screen display ? 256 font ram and 512 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 deinterlacing 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 ? spread spectrum clock ? selectable modulation frequency and spread width power management ? supports functional based independent power-down ? 1.8/3.3v operation miscellaneous ? short-to-battery detection test ?short-to-ground detection test ? supports 2-wire serial bus interface ?single 27mhz crystal ? 56 lead qfn (with wettable flanks) ? TW8809at-na2-gr is aec-q100 qualified
fn8598 rev 3.00 page 2 of 2 july 26, 2016 intersil products are manufactured, assembled and tested utilizing iso9001 or ts16949 quality systems as applicable noted in the quality certifications found at www.intersil.com/en/suppor t/qualandreliability.html intersil products are sold by description on ly. intersil may modify the circuit design an d/or specifications of products at any time without notice, provided that such modification does not, in intersil's sole judgment, affect the form, fit or function of the product. accordingly, the reader is cautioned to verify that datasheets are current before placing orders. information fu rnished by intersil is believed to be accu rate and reliable. however, no responsib ility is assumed by intersil or its subsidiaries for its use; nor for any infrin gements of patents or other rights of third parties which may result from its use. no license is granted 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 for additional products, see www.intersil.com/en/products.html TW8809 ? copyright intersil americas llc 2013-2016. all rights reserved. all trademarks and registered trademarks are the property of their respective owners. TW8809 functional block diagram figure 1. TW8809 functional block diagram yin0+ ? / ? yin0 yin0 \ / ? yin1 10bit adc 2d ? comb decoder csc font ? osd gamma dither out mux osc spread ? spectrum pll registers i2c diagnostic yin2+ ? / ? yin2 yin2 \ / ? yin3 bt.656 encoder bt.656 m ? u ? x i ? n ?? m ? u ? x dtv interface drgb24/16/8 scaler image ? enhancer timing ? gen. aaf mpo/irq measurement irq
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