TVP5158, TVP5157, TVP5156 Four-Channel NTSC/PAL Video Decoders With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications Data Manual PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Literature Number: SLES243G July 2009–Revised April 2013 TVP5158, TVP5157, TVP5156 www.ti.com SLES243G –JULY 2009–REVISED APRIL 2013 Contents 1 Introduction ........................................................................................................................ 8 1.1 Features ...................................................................................................................... 8 1.2 Applications .................................................................................................................. 9 1.3 Description ................................................................................................................... 9 1.4 Related Products ............................................................................................................ 9 1.5 Trademarks ................................................................................................................ 10 1.6 Document Conventions ................................................................................................... 10 1.7 Ordering Information ...................................................................................................... 10 1.8 Functional Block Diagram ................................................................................................ 11 2 Terminal Assignments ....................................................................................................... 12 2.1 Pinout ....................................................................................................................... 12 3 Functional Description ....................................................................................................... 15 3.1 Analog Video Processing and A/D Converters ........................................................................ 15 3.1.1 Analog Video Input ............................................................................................. 15 3.1.2 Analog Video Input Clamping ................................................................................. 16 3.1.3 A/D Converter ................................................................................................... 16 3.2 Digital Video Processing .................................................................................................. 16 3.2.1 2x Decimation Filter ............................................................................................ 16 3.2.2 Automatic Gain Control ........................................................................................ 16 3.2.3 Composite Processor .......................................................................................... 16 3.2.3.1 Color Low-Pass Filter .............................................................................. 17 3.2.3.2 Y/C Separation ..................................................................................... 18 3.2.4 Luminance Processing ......................................................................................... 19 3.3 AVID Cropping ............................................................................................................. 20 3.4 Embedded Syncs .......................................................................................................... 20 3.5 Scaler ....................................................................................................................... 21 3.6 Noise Reduction ........................................................................................................... 21 3.7 Auto Contrast .............................................................................................................. 21 3.8 Output Formatter .......................................................................................................... 22 3.8.1 Non-Interleaved Mode ......................................................................................... 22 3.8.2 Pixel-Interleaved Mode ......................................................................................... 22 3.8.2.1 2-Ch Pixel-Interleaved Mode ..................................................................... 23 3.8.2.2 4-Ch Pixel-Interleaved Mode ..................................................................... 23 3.8.2.3 Metadata Insertion for Non-Interleave Mode and Pixel-Interleaved Mode ................. 24 3.8.3 Line-Interleaved Mode Support (TVP5158 only) ........................................................... 25 3.8.3.1 2-Ch Line-Interleaved Mode ...................................................................... 25 3.8.3.2 4-Ch Line-Interleaved Mode ...................................................................... 26 3.8.3.3 8-Ch Line-Interleaved Mode ...................................................................... 26 3.8.3.4 Hybrid Modes ....................................................................................... 28 3.8.3.5 Metadata Insertion for Line-Interleaved Mode ................................................. 28 3.9 Audio Sub-System (TVP5157 and TVP5158 Only) ................................................................... 31 3.9.1 Features ......................................................................................................... 31 3.9.2 Audio Sub-System Functional Diagram ..................................................................... 32 3.9.3 Serial Audio Interface .......................................................................................... 33 3.9.4 Analog Audio Input Clamping ................................................................................. 33 3.9.5 Audio Cascade Connection ................................................................................... 34 3.10 I2C Host Interface .......................................................................................................... 36 3.10.1 I2C Write Operation ............................................................................................. 37 3.10.2 I2C Read Operation ............................................................................................ 37 3.10.3 VBUS Access ................................................................................................... 39 3.11 Clock Circuits .............................................................................................................. 40 2 Contents Copyright © 2009–2013, Texas Instruments Incorporated TVP5158, TVP5157, TVP5156 www.ti.com SLES243G –JULY 2009–REVISED APRIL 2013 3.12 Reset Mode ................................................................................................................ 41 4 Internal Control Registers ................................................................................................... 42 4.1 Overview .................................................................................................................... 42 4.2 Register Definitions ....................................................................................................... 45 5 Electrical Specifications ..................................................................................................... 90 5.1 Absolute Maximum Ratings .............................................................................................. 90 5.2 Recommended Operating Conditions .................................................................................. 91 5.3 Reference Clock Specifications ......................................................................................... 91 5.4 Electrical Characteristics ................................................................................................. 92 5.5 DC Electrical Characteristics ............................................................................................. 92 5.6 Video A/D Converters Electrical Characteristics ...................................................................... 93 5.7 Audio A/D Converters Electrical Characteristics ...................................................................... 93 5.8 Video Output Clock and Data Timing ................................................................................... 94 5.8.1 Video Input Clock and Data Timing .......................................................................... 94 5.9 I2C Host Port Timing ...................................................................................................... 95 5.9.1 I2S Port Timing .................................................................................................. 96 5.10 Miscellaneous Timings .................................................................................................... 96 5.11 Power Dissipation Ratings ............................................................................................... 96 6 Application Information ...................................................................................................... 97 6.1 4-Ch D1 Applications ..................................................................................................... 97 6.2 8-Ch CIF Applications