Datasheet
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 I
2
C Host Interface .......................................................................................................... 36
3.10.1 I
2
C Write Operation ............................................................................................. 37
3.10.2 I
2
C Read Operation ............................................................................................ 37
3.10.3 VBUS Access ................................................................................................... 39
3.11 Clock Circuits .............................................................................................................. 40
2 Contents Copyright © 2009–2013, Texas Instruments Incorporated