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| TECHWELL DISPLAY Automotive Display ICs TW8826 Ultra low cost, highly integrated LCD controller for analog panels he TW8826 is a low cost highly integrated mutli-purpose LCD display solution with a high quality NTSC/PAL/SECAM 2D video decoder and a 2D www..com De-interlacer/Scaler supporting analog panels. To reduce BOM cost, TW8826 integrates an 8-bit MCU and a CCFL controller. Through multiple input ports, TW8826 can directly display video and graphic content from a variety of devices including TV Tuners, DVD players, back-up cameras, DTV/DMB receivers and navigation/GPS receivers. Target Applications Navigation + DVD + TV Back up Camera Rear Seat Entertainment Car TV Portable DVD PMP Portable TV Door Phone Photo Frame DMB TV Baby Monitor Home Audio In Flight Entertainment Key Features Supports analog inputs including CVBS, S-Video, YPbPr & RGB signals and digital inputs including 24 bit RGB & 8/16/24 bit YCbCr. Interlaced and progressive ITU 656 inputs are supported Supports analog panels up to WQVGA resolutions Integrates cost saving features including a CCFL controller, charge pump booster, programmable panel offset control and on-chip 8 bit 8051 MCU with SPI interface Built-in 8 colors Font OSD with 202 ROM and programmable 227 RAM fonts. Supports Multi-color fonts by combining 3 single color fonts Embedded Image Enhancement Programmable CTI, hue, brightness, saturation, contrast & sharpness control Black/White Stretch Programmable favorite color enhancement- up to three colors Programmable Gamma Correction tables TW8826 Functional Block Diagram CCFL Controller CVBS/ S-Video Analog RGB/ YPbPr Video Decoder 2D De-interlacer Image Enhancement Font OSD DAC R G B 4H Comb Filter } Analog Panel Panel Timing MUX Gamma Control (8-bit LUT) Digital RGB/ YCbCr Scaler Digital Interface ADC (KEY SCAN) 8051 MCU (8-bit) TCON Analog Panel SPI Interface Order Information Part # TW8826 Name LQFP 128 Description Low Profile Quad Flat Package Pin Count 128 Body Size 14 x 20 mm^2 Automotive Display ICs TW8826 Ultra low cost, highly integrated LCD controller for analog panels 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 Advanced synchronization processing for VCR trick play signal Three 10-bit ADCs and analog clamping circuit Built-in analog anti-aliasing filter Fully programmable static gain or automatic gain control for the Y or CVBS channel Programmable white peak control for the Y or CVBS channel www..com Software selectable analog inputs allows any of the following Up to 4 composite video UP to 3 S-Video Up to 2 analog YPbPr and RGB 4-H adaptive comb filter Y/C separation PAL delay line for color phase error correction Digital PLL for both color and horizontal locking Programmable hue, brightness, saturation, contrast, sharpness, Gamma control, and noise suppression Automatic color control and color killer Detection of level of copy protection according to Macrovision standard Built-in Microcontroller Supports external SPI Interface and I2C Master interface with GPIO Supports UART interface with GPIO Support IR or interrupt with GPIO CCFL Controller Single channel CCFL controller based on push-pull architecture Lamp fault monitoring- Lamp Open, Lamp Over-current, Failure to Strike and Over-voltage Programmable Lamp Frequency to move EMI spurs out of band Analog or digital brightness control. 300:1 dimming range with the digital brightness control Low power stand-by mode Image Processing & Enhancement Programmable hue, brightness, saturation, and contrast controls Sharpness control with vertical peaking Programmable CTI control Built-in de-interlacing engine Independent RGB gain and offset controls Panorama / Water-glass scaling YCbCr hue adjustment Programmable Gamma correction tables Analog RGB / YPbPr input Built-in sync processor for SOG support Built-in Line-locked PLL Built-in input measurement function Support directly sampling up to SVGA Power Management Supports Panel power sequencing. Supports DPMS for monitor power management 1.8 / 3.3 V operation 8/16/24-bits Digital RGB/YCbCr Inputs Allows connection to 8/16/24-bit RGB/YCbCr Support both interlaced and progressive ITU 656 TFT Panel Support Supports a variety of Analog active matrix TFT panels Supports analog panel up to WQVGA (480 x 234), 20 MHz Timing Controller (TCON) Support programmable interface signals for control Column (source) driver / row (gate) driver Font OSD Built-in Font OSD with 202 ROM and programmable 227 RAM fonts. Supports Multi-color fonts by combining 3 single color fonts Multi-window (4) OSD support with color pallet 16 font & window colors available Support OSD overlay with alpha blending Miscellaneous Supports 2-wire serial bus interface Temperature rating: -40 C to +85 C Spread spectrum PLL Low-speed ADC for KEY scan Programmable panel VCOM offset control 5V tolerant I/O Power-down mode Typical power consumption < 500mW Single 27MHz crystal About Techwell Techwell is a fabless semiconductor company that designs, markets and sells mixed signal integrated circuits for multiple digital video applications in the consumer, security surveillance and automotive markets, including advanced TVs, multifunction LCD monitors, DVD Recorders, security surveillance systems and in-car LCD displays. Founded in 1997, we currently have over 125 employees and are headquartered in San Jose, California, with additional R&D and sales activities in South Korea, Japan, Taiwan and China. NASDAQ: TWLL 2008 Techwell Inc. All rights reserved. |
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