Techwell TECHWELL DISPLAY Automotive Display ICs TW8817 Low cost, highly integrated LCD controller for digital LCD panels The TW8817 is a highly integrated low cost TFT flat panel controller supporting digital panels. To reduce BOM cost, TW8817 integrates a SECAM/NTSC/PAL video decoder supporting CVBS & S-Video inputs, an 8-bit MCU, a CCFL controller and a LED controller. The TW8817 integrates a high quality NTSC/PAL/SECAM 2D video decoder and a 2D De-interlacer/Scaler. Target Applications Key Features 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 Supports analog inputs including CVBS & S-Video signals Supports digital panel up to SVGA resolution Integrated 8-bit 8051 MCU, CCFL and LED controller Built-in 8 color font based OSD with ~200 ROM & 75 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 (Skin, Grass & Sky) Programmable Gamma Correction table TW8817 Functional Block Diagram CCFL Controller Font OSD 2D De-interlacer 4H Comb Filter Scaler Panel Timing Image Enhancement Video Decoder CVBS/ S-Video FPR[7:0] FPG[7:0] FPB[7:0] Gamma Control (8-bit LUT) TCON 8051 MCU (8-bit) } Digital Panel Digital Panel LED Controller SPI Interface Order Information Part # Name Description Pin Count Body Size TW8817 TQFP 80 Thin Quad Flat Package 80 12 x 12 mm^2 Techwell www.intersil.com Automotive Display ICs TW8817 Low cost, highly integrated LCD controller for digital LCD 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 Two 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 Software selectable analog inputs allows any of the following combinations: 2 composite video 1 S-Video 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 TFT Panel Support Supports a wide variety of Digital single pixel active matrix TFT panels Supports digital TTL panel up to SVGA Supports 3, 4, and 6 bits per pixel format 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 OSD support with color pallet Support OSD overlay with alpha blending Built-in Microcontroller Support external SPI Interface Support I2C Master interface with GPIO Support 2 LED signal interface with GPIO Support UART interface with GPIO Support IR or interrupt with GPIO LED Controller Boost-up DC and PWM Dimming Control Built-in Open LED Protection 1MHz fixed Switching Frequency Resistor-programmable LED Current 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 vdimming range with the digital brightness control Low power stand-by mode Image Processing & Enhancement Built-in 2D de-interlacing engine Built-in high quality scalar Programmable hue, brightness, saturation, contrast Sharpness control with vertical peaking Programmable color transient improvement control Panorama / Water-glass scaling Programmable Gamma correction tables Black/White Stretch Programmable favorite color enhancement Power Management Supports Panel power sequencing. Supports DPMS for monitor power management 1.8 / 3.3 V operation Timing Controller (TCON) Support programmable interface signals for control Column (source) driver / row (gate) driver 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 Single 27MHz crystal (c) 2008 Intersil Americas Inc. All Rights Reserved. The following are trademarks or registered trademarks of Intersil Americas Inc.: Intersil, Intersil logo, "i" and Design. All other trademarks are the property of the respective trademark owners. Techwell www.intersil.com