tw8804 Intersil Corporation, tw8804 Datasheet
tw8804
Manufacturer Part Number
tw8804
Description
Lcd Flat Panel Controller
Manufacturer
Intersil Corporation
Datasheet
1.TW8804.pdf
(4 pages)
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LCD Flat Panel Controller
LCD Flat Panel Controller
Target Applications
Target Applications
Features
Features
Low angle compensation circuit for smooth
video rendering
Black/White/Blue stretch for higher contrast
Sharpness control for sharper video
Panorama/water glass feature for more
natural scaling
Integrated OSD with 200+ user defined
fonts
Integrated programmable timing controller
(TCON)
LCD TV
LCD Monitor with TV
Car TV
Portable DVD Players
Techwell
Techwell
www.techwellinc.com
The TW8804 LCD Flat Panel Controller is a low cost high quality TFT
panel controller with an embedded NTSC/PAL/SECAM TV decoder. This
unique level of mixed signal integration enables the panel to be used as a
stand-alone analog TV. An integrated YPbPr/RGB component input allows
direct connection to DVD, PIP and TTX sources. Separate digital inputs
allow it to be used as a high quality computer monitor when combined
with additional ICs. It incorporates easy-to-operate and powerful features
in a single package for LCD TV, multi-purpose LCD Monitor, Portable DVD
Players and Car Display Entertainment Systems.
The TW8804 contains all the logic required to convert standard TV, DTV,
and PC monitor signals to the digital control and data signals required to
drive various TFT panel types. It supports TFT panel resolutions up to 1280
by 1024 (SXGA/WXGA) with either 1 or 2-pixel/clock formats.
The chip accepts CVBS (composite) analog input or S-video analog input
or YPbPr input for use as a video monitor. Up to four physical CVBS inputs
or one S-video input or one component input can be connected
synchronously with component (RGB or YPbPr) input via fast blanking and
switched
The integrated analog front-end contains six ADCs with ve clamping
circuits and one Automatic Gain Control (AGC) circuit to minimize external
component count. It employs a 2/4H, 5-line adaptive comb lter and
proprietary Y/C processing technologies to produce exceptionally high
quality pictures.
The chip's internal logic synchronizes the panel frame rate to the incoming
input frame rate. A high quality image-scaling engine is used to convert
the lower resolution formats or high resolution DTV formats to the output
panel resolution. An internal de-interlacing engine also allows interlaced
video to be supported.
On Screen Display is supported through either external OSD chip or on-
chip OSD RAM for maximum exibility. A Closed Caption decoder is built
in. The TW8804 also accepts a 24 bit digital RGB input from external
PanelLinkTM receiver or ADCs for use as computer monitor. In addition, it
accepts 8/16/24 bits digital YCbCr input for use with external ADCs for use
as a DTV monitor.
The TW8804 also supports TFT panel power sequencing, DPMS Display
Power Management Signaling) signaling and power management. The
control interface is a 2-wire serial bus interface. The TW8804 core operates
at 2.5 V, the IO at 3.3 V and is packaged in a 160-pin PQFP package.
Features
Features
NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input
NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input
internally
under
LCD Flat Panel Controller with Integrated
LCD Flat Panel Controller with Integrated
external
TECHWELL
DISPLAY
microprocessor
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tw8804 Summary of contents
Page 1
... NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input The TW8804 LCD Flat Panel Controller is a low cost high quality TFT panel controller with an embedded NTSC/PAL/SECAM TV decoder. This unique level of mixed signal integration enables the panel to be used as a stand-alone analog TV ...
Page 2
... LCD Flat Panel Controller LCD Flat Panel Controller TW8804 LCD Flat Panel Controller with Integrated NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input TW8804 Block Diagram CIN YIN0 YIN1 YIN2 YIN3 YIN4 YOUT DECHS DECVS FB0 FB1 RIN0 RIN1 GIN0 GIN1 BIN0 BIN1 ...
Page 3
... Supports bits per pixel up to 16.8 million colors Timing Controller (TCON) Support programmable interface signals for control column (source) driver / row (gate) driver TW8804 LCD Flat Panel Controller with Integrated NTSC/PAL/SECAM Decoder and Analog/Digital RGB/FB Input Analog Video Decoder NTSC (M, 4.34) and PAL ( combination), ...
Page 4
... I/O Power-down mode Typical power consumption 1W Single 27MHz crystal 160-pin PQFP package For more information on Techwell, please contact us at 1-408-435-3888 © 2005 Techwell Inc. All rights reserved. All other trademarks are property of their respective owners TECHWELL INC. TEL 1-408-435-3888 www.techwellinc.com TW8804 ...