TW8817

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Low cost, highly integrated LCD controller for digital LCD panels

OVERVIEW

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.

KEY FEATURES

  • 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

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
TW8817
Production Status
Mass Production
CVBS Input
Yes
S-Video Input
Yes
YPbPr Input
No
SCART Input
No
Analog RGB Input
No
Digital RGB/Y CbCr Input
No
Comb Filter
2D
Max Output Resolution
SVGA
Qualification Level
Automotive
De-Interlacer
2D
Color Enhancement
Yes
PIP
No
OSD Type
Font
OSD Font ROM
202
OSD Font RAM
75
External OSD
No
OSD Colors
8x2 Color/ 8-Bit Palette
TCON Output
Digital
Dual View Output
No
LVDS Input
No
LVDS Output
No
TTL Output
Yes
Memory Support
No
MCU
Integrated
CCFL/LED Controller
CCFL & LED
Touch-screen Controller
No
Temperature Range
-40 to +85

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