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TW2824: 产品描述4 Channel Video QUAD/MUX Controller For Security Applications; 文件大小101KB，共2页; 制造商ETC

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TW2824概述

4 Channel Video QUAD/MUX Controller For Security Applications

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Techwell

Mixed Signal Semiconductor Solutions

TECHWELL

SECURITY

Security Surveillance IC Solutions

Features

TW2824

4 Channel Video QUAD/MUX Controller

For Security Applications

Target Applications

Quad/Mux Systems

4/8/16 channel DVR System

Car Rear Vision System

Four Video Decoders

Accepts all NTSC/PAL standard

formats with auto detection

Four integrated anti-aliasing filters and

10-bit CMOS ADCs

High performance adaptive comb filters

for all NTSC/PAL standards

IF compensation filter for improvement

of color demodulation

PAL delay lines for correcting PAL

phase errors

Programmable hue, saturation,

contrast, brightness and sharpness

Dual high performance horizontal and

vertical scaler for each channel

Four built-in motion detectors with

16X12 cells and blind detectors

The TW2824 has four high quality NTSC/PAL video decoders, dual

color display controllers and dual video encoders. The TW2824 contains

four 10-bit Analog-to-Digital converters, proprietary digital gain/clamp

controller, high quality Y/C separator to reduce cross-noise

and high performance dual scaler to provide various pictures. Four built-in

motion and blind detectors can increase the feature of security systems.

The TW2824 has a flexible video display controller to support basic QUAD

and MUX functions. The TW2824 also has an excellent graphic overlay

function which displays character/bitmap, box and mouse pointer. The

TW2824 contains two video encoders with four 10-bit Digital-to-Analog

converters for providing 2 composite or S-video outputs.

Dual Video Controllers

Additional 1 channel digital input for playback or cascade operation

Full Live/Strobe/Switch function

Auto sequence switch with 64 queues and/or manual switch by

interrupt

Various channel attribute control

Image enhancement for still image

High performance 2X zoom for horizontal and vertical direction

Supports save and recall function

Last image capture when video-loss

Extendable to 8/12/16 channel video controller using cascade

connection

Path-to-Path cascade

Character/Bitmap overlay for OSD

16 programmable single boxes

4 2D arrayed boxes for motion result display

Mouse pointer overlay

Dual Video Encoders

2 path digital outputs with ITU-R BT.656

standards

2 path analog outputs with all analog

NTSC/PAL standards

Supports CVBS or S-Video for each path

Programmable bandwidth for luminance and

chrominance path

Four 10-bit video CMOS DACs

Techwell

Mixed Signal Semiconductor Solutions

www.techwellinc.com

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