Document
TW2834
4 Channel Video QUAD/MUX Controller For Security Applications
Preliminary Data Sheet from Techwell, Inc.
Information may change without notice
February 1, 2011 FN7739.0
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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.
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TW2834
Table of Contents
Introduction ........................................................................................................................................ 6 Features .......................................................................................................................................... 6 Applications.................................................................................................................................... 7 Block Diagram ............................................................................................................................... 8 Pin Diagram ................................................................................................................................... 9 Pin Description ............................................................................................................................. 10 Functional Description ..................................................................................................................... 15 Video Input................................................................................................................................... 15 Analog Video Input .................................................................................................................... 16 Anti-aliasing Filter ................................................................................................................. 17 Analog-to-Digital Converter .................................................................................................. 17 Sync Processing ..................................................................................................................... 18 Color Decoding ...................................................................................................................... 19 Luminance Processing ............................................................................................................ 21 Chrominance Processing ........................................................................................................ 22 Digital Video Input .................................................................................................................... 24 Digital Video Input Format .................................................................................................... 24 Channel ID Decoder ............................................................................................................... 25 Cropping and Scaling Function .................................................................................................. 28 Cropping Function ................................................................................................................. 28 Scaling Function .................................................................................................................... 30 Motion Detection .......................................................................................................................... 34 Mask and Detection Region Selection ........................................................................................ 35 Sensitivity Control ..................................................................................................................... 36 Level Sensitivity .................................................................................................................... 36 Spatial Sensitivity .................................................................................................................. 36 Temporal Sensitivity .............................................................................................................. 36 Velocity Control ........................................................................................................................ 37 Blind Detection .......................................................................................................................... 39 Video Control ............................................................................................................................... 40 Channel Input Selection ............................................................................................................. 41
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FN7739.0
February 1, 2011
Free Datasheet http://www.datas.