tw8807 Intersil Corporation, tw8807 Datasheet

tw8807

Manufacturer Part Number

tw8807

Description

Lcd Display Processor

Manufacturer

Intersil Corporation

Datasheet

1.TW8807.pdf (2 pages)

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Meier Automation Equipment Co., Limited

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TW8807

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TECHWEL

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LCD DIsplay Processors

Video Decoder and Processing

Target Applications

Features

Two 9-bit ADCs and analog clamping circuit

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:

4-H adaptive comb filter Y/C separation

Image enhancement with 2D dynamic peaking

and CTI

Programmable hue, brightness, saturation,

contrast, sharpness, Gamma control, and noise

supression

Detection of level of copy protection according

to Macrovision standard

Portable TV

Rear Seat Car Display

Portable DVD

Navigation + DVD

Door Phone

DMB TV

In Flight Display

Integrated high performance

NTSC/PAL/SECAM video decoder

Built in high quality De-interlacing engine

Black / white / blue stretch for higher contrast

Favorite color enhancement

Integrated timing controller (T-CON) with

analog panel support

QVGA panel resolution support

Low power consumption (250 mW)

Small form factor 64-pin PQFP

Up to 4 composite video

Up to 1 S-Video and 3 composite

Techwell

Techwell’s TW8807 LCD display processor is a low cost high quality TFT

panel controller with an embedded NTSC/PAL/SECAM TV decoder, scaler,

de-interlacer and timing controller. It is designed to support analog panels

used in video applications including portable TV, rear seat car display, and

portable DVD.

The TW8807 contains all the logic required to convert standard TV signals

to the digital control and data signals required to drive various TFT panel

types. It supports TFT panel resolutions up to WQVGA (480x234) with

1-pixel/clock formats.

The chip accepts CVBS (composite) analog input or S-video analog input

for use as a video monitor. Up to four physical CVBS inputs or one S-video

input can be connected.

The integrated analog front-end contains two ADCs with two clamping

circuits and one Automatic Gain Control (AGC) circuit to minimize external

component count. It employs a 4H, 5-line adaptive comb filter 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 to the output panel resolution. An internal de-

interlacing engine also allows interlaced video to be supported.

On Screen Display is supported through an on chip OSD RAM.

The TW8807 also supports TFT panel power sequencing, DPMS (VESATM

Display Power Management Signaling) signaling and power management.

The control interface is a 2-wire serial bus interface. The TW8807 core

operates at 1.8 V, the IO at 3.3 V and is packaged in a 64-pin PQFP package.

TCON for analog LCD Panels

TECHWELL

Built-In Video Decoder and

DISPLAY

TW8807

LCD Controller with

Related parts for tw8807

tw8807 Summary of contents

Page 1

... Built-In Video Decoder and TCON for analog LCD Panels TCON for analog LCD Panels Techwell’s TW8807 LCD display processor is a low cost high quality TFT panel controller with an embedded NTSC/PAL/SECAM TV decoder, scaler, de-interlacer and timing controller designed to support analog panels used in video applications including portable TV, rear seat car display, and portable DVD ...

Page 2

... LCD Display Processor LCD Display Processor TW8807 Block Diagram CIN0 Out YIN0 YIN1 YIN2 YIN3 Miscellaneous Supports 2-wire serial bus interface Spread spectrum PLL 5V tolerant I/O Power-down mode Single 27MHz crystal 64-pin PQFP package Timing Controller (TCON) Support programmable interface signals for control ...

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