fn7767 rev 5.00 page 1 of 2 april 7, 2016 fn7767 rev 5.00 april 7, 2016 TW9900 low power ntsc/pal/secam video decoder with vbi slicer data short to request the full datasheet, please visit www.intersil.com/products/TW9900 the TW9900 is a low power ntsc/pal/secam video decoder chip that is designed for port able applications. it consumes less than 100mw in typical composite input applications. the available power-down mode further reduces the power consumption. it uses the 1.8v for both analog and digital supply voltage and 3.3v for i/o power. a single 27mhz crystal is all that is needed to deco de all analog video standards. the video decoder decodes the baseband analog cvbs or s-video signals into digital 8-bit 4:2:2 ycbcr for output. it consists of analog front-end with input source selection, variable gain amplifier and analog-to-digital converters, y/c separation circuit, multi-standard color decoder (pal bghi, pal m, pal n, combination pal n, ntsc m, ntsc 4.43 and secam) and synchronization circ uitry. the y/c separation is done with high quality adaptive 4h comb filter for reduced cross color and cross luminance. the advanced synchronization processing ci rcuitry can produce stable pictures for a non-standard signal as well as a weak signal. the output of the decoder is line-l ocked and formatted to the itu-r 656 output with embedded sync. the TW9900 also includes circuits to detect and process vertical blanking interval (vbi) signal. it slices and processes vbi data for output through video bus. some information can also be alternatively retrieved through the host interface. it also detects copy-protected si gnal according to macrovision standard including agc and color stripe pulses. a 2-wire serial host interface is used to simplify system integration. all the functions can be controlled through this interface. 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 inpu ts allow any of the following combinations, e.g., 2 cvbs or 1 y/c ? built-in analog anti-alias filter ? two 10-bit adcs and analog clamping circuit ? 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 ? digital subcarrier pll fo r accurate color decoding ? digital horizontal pll for sy nchronization processing and pixel sampling ? advanced synchronization processing and sync detection for handling nonstandard and weak signal ? programmable hue, brightness, saturation, contrast, and sharpness ? automatic color control and color killer ? chroma if compensation ? detection of level of copy protection according to macrovision standard ? itu-r 601 or itu-r 656 compatible ycbcr(4:2:2) output format ? vbi slicer supporting indust rial standard data services ? vbi data pass through, raw adc data output ? programmable output cropping miscellaneous ? two-wire mpu serial bus interface ? supports real time control interface ? power save and 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 ?3.3v tolerant i/o ? 1.8v/3.3v power supply ? 32 ld tqfp and 32 ld qfn package
fn7767 rev 5.00 page 2 of 2 april 7, 2016 TW9900 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 2012-2016. all rights reserved. all trademarks and registered trademarks are the property of their respective owners.
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