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TW9910 – Low Power NTSC/PAL/SECAM Video Decoder with VBI Slicer

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 allows any of the [A1] following combinations, e.g. 4 CVBS or ( 3 CVBS and 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 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

− 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 industrial standard data services

− VBI data pass through, raw ADC data output

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 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/3.3 V power supply 

− 44pin LQFP, 48pin QFN package

TECHWELL, INC. 3  REV. A 09/21/2006

Shenzhen Silicon Electronics Tech Ltd
Rm.26c,CaiXiaGe,CaiHongXingDu Building, CaiTian Road. Futian,Shenzhen, China.

Tel: +86-755-83551150-8002

Fax:+86-755-82736432
Mobile Phone:+86-13824384710

skpye: xtmc9903