TW9910 low power ntsc/pal/secam video decoder with vbi slicer fn 7 773 rev. 1 .00 page 1 of 2 october 10, 2012 fn7 7 73 rev. 1 .00 october 10, 2012 data sh o r t to request the full datasheet, please visit www.intersil.com/products/TW9910 features video decoder ? ntsc (m, 4.43) and pal (b, d, g, h, i, m, n, n combination), pal (60), secam support with automatic format detection ? software selectable analog inputs allow any of the following combinations, e.g. 4 cvbs or (3 cvbs and 1 y/c). ? built - in analog anti - alias filter ? two 10 - bit a dcs and analog clamping circui t ? fully programmable static gain or automatic gain control for the y channel ? programmable white peak control for the y channel ? 4 - h adaptive comb filter y/c separation ? pal delay line for color phase error correction ? image enhancement with peaking and cti. ? d igital sub - carrier pll for accurate color decoding ? digital horizontal pll for synchronization processing and pixel sampling ? advanced synchronization processing and sync detection for handling non - standard and weak signal ? programmable hue, brightness, saturation, contrast, and sharpness. ? automatic color control and color killer ? chroma if compensation ? itu - r 601 or itu - r 656 compatible ycbcr(4:2:2) output format ? vbi slicer supporting industrial standard data services ? vbi data pass through, raw adc data ou tput video scaler ? high quality horizontal filtered scaling with arbitrary scale down ratio ? phase accuracy better than 1/32 pixel ? programmable output cropping miscellaneous ? two wire mpu serial bus interface ? support real time control interface ? power save an d power down mode ? typical power consumption <100mw ? single 27mhz crystal for all standards ? supports 24.54mhz and 29.5mhz crystal for high resolution square pixel format decoding ? 3 .3 v tolerant i/o ? 1.8v/3.3 v power supply ? 44 pin lqfp, 48 pin qfn packag e
t w9910 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 http://www.intersil.com/en/support/qualandreliability.html intersil products are sold by description only. intersil may modify the circuit design and/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. accor dingly, the reader is cautioned to verify that datasheets are current before placing orders. information furnished by intersil is believed to be ac curate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infr ingements 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 it s products, see http://www.intersil.com fn7773 rev. 1.00 page 2 of 2 october 10, 2012 functional description analog video in mux agc 4h adaptive comb filter chroma demodulation luma/chroma processor sync processor scaling / video interface vbi slicer 2 wire serial bus mux2 mux1 (1) mux0 mpout clkx2 vs hs vd (15:8) vd(7:0) cin 0 sclk sdat u v mux3 10 - bit adc 10 - bit adc pdn clock 27 mhz y line - lock clock generator rstb figure 1 . TW9910 block diagram ? copyright intersil americas llc 20 1 0 - 201 1 . all rights reserved. all trademarks and registered trademarks are the property of their respective owners.
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