fn7756 rev.0.00 page 1 of 2 february 1, 2011 fn7756 rev.0.00 february 1, 2011 TW8804 lcd flat panel tv/pc monitor cont roller with built-in ntsc/pal/ secam decoder and analog rgb/fb input data short to request the full datasheet, please visit www.intersil.com/products/TW8804 the TW8804 lcd flat panel cont roller is a low cost high quality tft panel controller with an embedded ntsc/pal/secam tv decoder. this unique level of mixed signal integration enables th e panel to be used as a stand-alone analog tv. an integrated ypbpr/rgb component input allows direct connection to dvd, pip and ttx sources. separate digital inputs allow it to be used as a high quality computer monitor when combined with additional ics. it incorporates easy-to-operate and powerful features in a single package for lcd tv,multi-purpose lcd monitor, portable dvd players and car display entertainment systems. the TW8804 contains all the logic required to convert standard tv, dtv, and pc monitor signals to the digital control and data signals required to drive various tft panel types. it supports tft panel resolutions up to 1280 by 1024 (sxga/wxga) with either 1 or 2-pixel/clock formats. the chip accepts cvbs (composite) analog input or s-video analog input or ypbpr input for use as a video monitor. up to four physical cvbs inputs or one s-video input or one component input can be connected synchronously with component (rgb or ypbpr) input via fast blanking and switched internally under external microprocessor control. the integrated analog front-end contains six adcs with five clamping circuits and one automatic gain control (agc) circuit to minimize external component count. it employs a 2/4h, 5- line adaptive comb filter an d proprietary y/c processing technologies to produce exceptionally high quality pictures. the chip's internal logic synchronizes the panel frame rate to the incoming input frame rate. a high quality image-scaling engine is used to convert the lower resolution formats or high resolution dtv formats to the output panel resolution. an internal de-interlacing engine also allows interlaced video to be supported. on screen display is supported through either external osd chip or onchip osd ram for maximum flexibility. a closed caption decoder is built in. the TW8804 also accepts a 24 bit digital rgb input from external panellinktm receiver or adcs for use as computer monitor. in addition, it accepts 8/16/24 bits digital ycbcr input for use with external adcs for use as a dtv monitor. the TW8804 also supports tft panel power sequencing, dpms display power management signaling) signaling and power management. the control interface is a 2-wire serial bus interface. the TW8804 core operates at 2.5v, the io at 3.3v and is packaged in a 160-pin pqfp package. features ?low angle compensation circui t for smooth video rendering ? black/white/blue stretch for higher contrast ? sharpness control for sharper video ? panorama/water glass feature for more natural scaling ? integrated osd with 200+ user defined fonts ? integrated programmable timing controller (tcon) tft panel support ? supports a wide variety of active matrix tft panels either one or two pixels per clock ? supports panel with resolution up to sxga (1280 x 1024) timing controller (tcon) ? support programmable interface signals for control column (source) driver / row (gate) driver 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 ? advanced synchronization processing for vcr fast forward, backward, and pause mode ? six 9-bit adcs and analog clamping circuit ? fully programmable static gain or automatic gain control for the y or cvbs channel 24bit digital rgb and 8/16/24-bit ycbcr inputs ? allows connection to analog pc graphics cards with the addition of a 3 channel a/d converter for up to sxga resolution ? allows ycbcr digital component input for dtv 480p, 720p, 1080i image control ? programmable hue, brightness, saturation, contrast ? automatic color control and color killer ? sharpness control with vertical peaking up to +12db ? programmable color transi ent improvement control ? supports programmable cropping of input video and graphics ? high quality expansion for low-resolution graphics ? built-in de-interlacing engine with proprietary low angle compensation circuit fo r smooth video rendering not recommended for new designs recommended replacement part tw8835 (not pin compatible)
fn7756 rev.0.00 page 2 of 2 february 1, 2011 TW8804 intersil products are manufactured, assembled and tested utilizing iso9001 quality systems as 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 ? copyright intersil americas llc 2011. all rights reserved. all trademarks and registered trademarks are the property of their respective owners. features (continued) on screen display ? built-in osd controller with integrated character rom and programmable ram font ? supports dedicated port for an optional external osd controller video processing ? 4-h adaptive comb filter y/c separation ? 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 an d advanced synchronization processing for non-standard video signals ? programmable hue, brightness, saturation, contrast, sharpness, gamma control, and noise suppression applications ?lcd tv ?lcd monitor with tv ? car tv portable dvd players figure 1. cin 2x analog front end mux mux mux mux mux dtv i/f 4x adc component processor sync processor 4h adaptive comb filter chroma demodul ati on yuv processing soft switch mux color matrix line buffers scaler / deinterlacer image enha nc eme nt gamma / dither output formatte r al pha bl endi ng osd panel timing generator registers 2 wire serial bus input format mea surement tcon fpr0[7:0] mux yin0 yin1 yin2 yin3 yin4 fb0 fb1 rin0 rin1 gin0 gin1 bin0 bin1 yout dechs decvs fpg0[7:0] fpb0[7:0] fpr1[7:0] fpg1[7:0] fpb1[7:0] fpvs fphs fpde fpclk fppwc fpbias mc sda mc scl mc sia dtvclk dtvvs dtvhs dtvde dtvd[23:0] co ast osdpd[2:0] ososdpde osoc lk osdvsync osdhsyn c vcom vrefn vrefp
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