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Intersil Electronic Components Datasheet

TW2835 Datasheet

4 Channel Video and Audio Controller

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Techwell
NOT RECOMMENDED FOR NEW DESIGNS
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TW2835
4 Channel Video and Audio Controller
For Security Applications
Data Sheet from Techwell, Inc.
January 10, 2011 1
FN7740.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

TW2835 Datasheet

4 Channel Video and Audio Controller

No Preview Available !

TW2835
Table of Contents
Introduction ........................................................................................................................................5
Features ..........................................................................................................................................5
Applications....................................................................................................................................6
Block Diagram ...............................................................................................................................7
Pin Description...............................................................................................................................8
Pin Diagram .................................................................................................................................15
Functional Description.....................................................................................................................17
Video Input...................................................................................................................................17
Analog Video Input....................................................................................................................18
Anti-aliasing Filter .................................................................................................................19
Analog-to-Digital Converter ..................................................................................................19
Sync Processing .....................................................................................................................20
Color Decoding ......................................................................................................................21
Luminance Processing............................................................................................................23
Chrominance Processing ........................................................................................................24
Realtime Record Mode...........................................................................................................25
Digital Video Input ....................................................................................................................26
Digital Video Input Format ....................................................................................................26
Channel ID Decoder...............................................................................................................27
Cropping and Scaling Function ..................................................................................................29
Cropping Function for Live ....................................................................................................29
Scaling Function for Live .......................................................................................................30
Cropping and Scaling Function for Playback .........................................................................34
Motion Detection..........................................................................................................................36
Mask and Detection Region Selection........................................................................................37
Sensitivity Control .....................................................................................................................38
Level Sensitivity ....................................................................................................................38
Spatial Sensitivity ..................................................................................................................38
Temporal Sensitivity ..............................................................................................................38
Velocity Control ........................................................................................................................39
Blind Detection ..........................................................................................................................41
Night Detection..........................................................................................................................41
Video Control ...............................................................................................................................42
Channel Input Selection .............................................................................................................43
Channel Operation Mode ...........................................................................................................44
2 FN7740.0
January 10, 2011


Part Number TW2835
Description 4 Channel Video and Audio Controller
Maker Intersil
PDF Download

TW2835 Datasheet PDF






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