Renesas Electronics Corporation
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TW8824

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LCD Video Processor with Built-in Decoder, TTL Inputs, BT.656 Output, and LVDS Panel Interface

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TW8824 DatasheetTW8824 Data Short

Overview

The TW8824 is a highly integrated LCD video processor that incorporates many of the key features required to create a multipurpose LCD display system into a single package. This includes a high quality 2D comb NTSC/PAL/SECAM video decoder, which supports both single-ended and differential CVBS signals, a digital RGB input interface, high quality scaler and deinterlacer, a Font OSD engine and LVDS, TTL or TCON output panel interfaces. The TW8824 can support input resolutions up to 1080p and can drive LCD panels at resolutions up to 1366x768. The TW8824’s video processing capability includes arbitrary H/V scaling, panoramic scaling, image mirroring, image adjustment and enhancement, black and white stretch, etc. This device can support fast boot system requirements and provides stability and reliability to the system due to the fact that it is a hardwired solution that can sync to the video source and display an image on the LCD in less than 0. 5 seconds from start-up. The feature set and versatility of this device makes it an ideal solution for in-car LCD display applications.

TW8824 Functional Diagram
TW8824 Functional Diagram
  • NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60), SECAM with automatic format detection
  • 10-bit ADC and analog clamping circuit
  • Fully programmable static gain or automatic gain control for CVBS channel
  • Programmable white peak control for the CVBS channel
  • 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/CTI
  • Digital sub-carrier PLL for accurate color decoding
  • Programmable hue, brightness, saturation, contrast, sharpness
  • Selectable differential or single-ended CVBS input
  • Digital horizontal PLL and advanced synchronization processing for VCR playback and weak signal performance
  • High quality horizontal and vertical filtered down scaling with arbitrary scale down ratio
  • Up to 3-CH differential or 6-CH single-ended CVBS input
  • Supports RGB 24-bit input up to 1080p resolution at either 1.8V or 3.3V logic level
  • Supports both BT.656 and 601 video formats with H/VSYNC
  • 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
  • Supports digital panels (TTL) or single channel LVDS panels up to WXGA (1366x768) resolution, 85MHz
  • Supports serial (8-bit) RGB panel
  • Supports programmable interface signals for control
  • Column (source) driver/row(gate) driver

Documentation

Featured Documentation
Type Title Date
Datasheet
TW8824 Datasheet
Log in to Download PDF 3.36 MB
Datasheet - Short-form
TW8824 Data Short
PDF 205 KB
Product Change Notice
PCN17010 - Alternate test facility of Intersil TW8824AT*, TW8834AT* and TW8835AT* series products
PDF 77 KB
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