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TVP5158IPNPRQ1 Datasheet(PDF) 2 Page - Texas Instruments |
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TVP5158IPNPRQ1 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 111 page TVP5158, TVP5157, TVP5156 SLES243F – JULY 2009 – REVISED JULY 2011 www.ti.com Contents 1 Introduction ........................................................................................................................ 9 1.1 Features ...................................................................................................................... 9 1.2 Applications .................................................................................................................. 9 1.3 Description ................................................................................................................. 10 1.4 Related Products .......................................................................................................... 10 1.5 Trademarks ................................................................................................................. 10 1.6 Document Conventions ................................................................................................... 11 1.7 Ordering Information ...................................................................................................... 11 1.8 Functional Block Diagram ................................................................................................ 12 2 Terminal Assignments ....................................................................................................... 13 2.1 Pinout ....................................................................................................................... 13 3 Functional Description ....................................................................................................... 16 3.1 Analog Video Processing and A/D Converters ........................................................................ 16 3.1.1 Analog Video Input ............................................................................................. 16 3.1.2 Analog Video Input Clamping ................................................................................. 17 3.1.3 A/D Converter ................................................................................................... 17 3.2 Digital Video Processing .................................................................................................. 17 3.2.1 2x Decimation Filter ............................................................................................ 17 3.2.2 Automatic Gain Control ........................................................................................ 17 3.2.3 Composite Processor .......................................................................................... 17 3.2.3.1 Color Low-Pass Filter .............................................................................. 18 3.2.3.2 Y/C Separation ..................................................................................... 19 3.2.4 Luminance Processing ......................................................................................... 20 3.3 AVID Cropping ............................................................................................................. 21 3.4 Embedded Syncs .......................................................................................................... 21 3.5 Scaler ....................................................................................................................... 22 3.6 Noise Reduction ........................................................................................................... 22 3.7 Auto Contrast .............................................................................................................. 22 3.8 Output Formatter .......................................................................................................... 23 3.8.1 Non-Interleaved Mode ......................................................................................... 23 3.8.2 Pixel-Interleaved Mode ......................................................................................... 23 3.8.2.1 2-Ch Pixel-Interleaved Mode ..................................................................... 24 3.8.2.2 4-Ch Pixel-Interleaved Mode ..................................................................... 24 3.8.2.3 Metadata Insertion for Non-Interleave Mode and Pixel-Interleaved Mode ................. 25 3.8.3 Line-Interleaved Mode Support (TVP5158 only) ........................................................... 26 3.8.3.1 2-Ch Line-Interleaved Mode ...................................................................... 26 3.8.3.2 4-Ch Line-Interleaved Mode ...................................................................... 27 3.8.3.3 8-Ch Line-Interleaved Mode ...................................................................... 27 3.8.3.4 Hybrid Modes ....................................................................................... 29 3.8.3.5 Metadata Insertion for Line-Interleaved Mode ................................................. 29 3.9 Audio Sub-System (TVP5157 and TVP5158 Only) ................................................................... 32 3.9.1 Features ......................................................................................................... 33 3.9.2 Audio Sub-System Functional Diagram ..................................................................... 34 3.9.3 Serial Audio Interface .......................................................................................... 34 3.9.4 Analog Audio Input Clamping ................................................................................. 35 2 Contents Copyright © 2009–2011, Texas Instruments Incorporated |
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