TW8831 INTERSIL | Alldatasheet
Document overview
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Technical content
Features
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 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 High quality adaptive 2D comb filter for both NTSC and PAL inputs 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 and Advanced synchronization processing for VCR playback and weak signal performance Programmable hue, brightness, saturation, contrast and sharpness High quality horizontal and vertical filtered down scaling with arbitrary scale down ratio 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 digital panel up to WVGA/SVGA resolution Support Serial (8bit) RGB panel On Screen Display 256 programmable font RAM and 384 display RAM. Four windows font OSD with bordering / shadow Image Processing High quality scaler with both up/down and nonlinear scaling support Built-in 2D de-interlacing function Programmable hue, brightness, saturation, contrast and sharpness Supports programmable cropping of input video and graphics Independent RGB gain and offset controls Panorama / Water-glass scaling Programmable 10-bit Gamma correction for each color Operated in Frame Sync mode Black/White Stretch Clock Generation Spread spectrum clock Modulation frequency and spread width are selectable Power Management Supports functional based independent power down 1.8 / 3.3 V operation Miscellaneous Supports 2-wire serial bus interface Built-in single LED back light controller Built-in VCOM DC voltage Built-in VCOM analog amplitude Built-in DC-DC convertor Single 27MHz crystal 80-pin LQFP package
Applications
In-car display controller Portable DVD and DVRs players Portable media player
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 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. Information furnished by Intersil 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 implication 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 FUNCTIONAL BLOCK DIAGRAM Triple ADCs 2D-COMB VIDEO DECODER SCALER IMAGE ENHANCE INPUT CONTROLLER FONT OSD OUTPUT FORMATTER TCON 2-WIRE SERIAL BUS YIN0~2 VIN TCON SIGNALS FLAT PANEL OUT I2C_SDAT I2C_SCLK CIN LED/ VCOM CONTROL SERIAL DATA