Techwell GET FULL DATASHEET TFT Display Controller TW8832, TW8832S Analog RGB Inputs Description The TW8832 incorporates many of the features required to create multi-purpose in-car LCD display system in a single package. It integrates a high quality 2D comb NTSC/PAL/SECAM video decoder, triple high speed RGB ADCs, high quality scaler, and images enhancement functions, which include Black and White Stretch, etc. It also supports panoramic scaling for conversion to wide screen display. On the input side, it supports a rich combination of CVBS, Svideo, analog RGB as well as digital inputs. On the output side, it supports a variety of digital panel types with its built-in timing controller. • 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 analog input resolution up to 1080i or WXGA Digital Inputs Support • Support 656 video formats TFT Panel Support • Built-in programmable timing controller Applications • Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built-in dithering engine • In-car display controller • Support digital panel up to WVGA/SVGA resolution • Portable DVD and DVRs players • Support Serial (8-bit) RGB panel • Portable media player On Screen Display Features • 256 programmable font RAM and 384 display RAM Analog Video Decoder • Four windows font OSD with bordering / shadow • 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 January 26, 2012 FN7855.2 1 • Supports bit-mapped based OSD through SPI (TW8832S only) 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 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2011, 2012. 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. TW8832, TW8832S 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 SPI • 80-pin LQFP package Flat Panel Out YIN0~2 2D-Comb CIN Video Decoder VIN Triple Triple ADCs ADCs Triple ADCs TCON Font OSD Input Controller Scaler TCON signals Serial Data Output Formatter LED/ VCOM Control Image Enhance DTVCLK DTVD[7:0] SPI OSD BT656 I/F 2-Wire Serial Bus I2C_SDAT I2C_SCLK FIGURE 1. FUNCTIONAL BLOCK DIAGRAM For additional products, see www.intersil.com/product_tree Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted in the quality certifications found at www.intersil.com/design/quality 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 www.intersil.com