1 fn 7864 .2 may 6, 2014 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. to request the full datasheet, please visit www.intersil.com/products/tw 8 835 datashee t l cd video processor with b uilt - in decoder, mcu, osd , tcon and analog rgb input support TW8835 the TW8835 incorporates many of the features required to create multi - purpose in - car lcd display system in a single package. it integrates a high quality 2 d comb ntsc/pal/secam video deco der, triple high speed rgb adcs, high quality scaler , versatile osd, and high performance mcu. its image video processing capability includes arbitrary scaling, panoramic scaling, image mirroring, image adjustment and enhancement, black and white stretch , etc. on the input side, it supports a rich combination of cvbs, s - video, component video, analog rgb as well as digital ycbcr/rgb inputs. on the output side, it supports a variety of digital panel types with its built - in timing controller. the integrati on of additional touch screen controller, led driver controller, pwm and mcu makes this a versatile solution for many portable applications. applications ? in - car display ? portable dvd and dvrs players ? portable media player 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 ? 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 allows composite, s - video, analog ypbpr or rgb ? high quality adaptive 2 d comb filter for both ntsc and pal inputs ? pal delay line for color phase error correction ? image enhancement with 2d d ynamic peaking and cti. ? digital sub - carrier pll for accurate color decoding ? digital horizontal pll and advanced synchronization processing for vcr playb ack and weak signal performance ? programmable hue, brightness, saturation, contrast, sharpness ? high qu ality horizontal and vertical filtered down 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 ? support s input resolution up to 1080 p digital inputs support ? support s both bt 656 and 601 video formats ? support s ycbcr/rgb 24 - bit input ? support s rgb 565 + bt 656 at the same time ? support s input resolution up to 1080p 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 xga resolution ? support s serial (8 - bit) rgb panel font based on screen display ? four window font osd with bordering / shadow ? 10kb programmable font ram and 512 display ram ? 1/2/3/4 bits/pixel ? support s variable width (12/16), height (2~32) spi flash based on s creen display ? nine bitmap based osd windows through spi ? support s 4/6/ 8 bits /pixel ? support s rle decompression for one window ? support s overlapping between windows
TW8835 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 certif ications 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, 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 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 http://www.intersil.com TW8835 functional block diagram 2 d - comb video decode r scaler/ image enhance dtv i/f font osd output formatter tcon 2 - wire serial bus spi osd yin 0~ 2 dtvclk dtvd[23:0] dtvhs, vs dtvde vin 0~1 tcon signals flat panel out i2c_sdat i2c_sclk spi cin0~1 led/ vcom control serial data triple adcs input controller bt656 output mcu
|
