Datasheet
TVP5147M1
www.ti.com
SLES140G –JULY 2005–REVISED FEBRUARY 2012
Contents
1 Introduction ........................................................................................................................ 8
1.1 Features ...................................................................................................................... 8
1.2 Description ................................................................................................................. 10
1.3 Applications ................................................................................................................ 11
1.4 Related Products .......................................................................................................... 11
1.5 Ordering Information ...................................................................................................... 11
1.6 Functional Block Diagram ................................................................................................ 12
1.7 Terminal Assignments .................................................................................................... 13
1.8 Terminal Functions ........................................................................................................ 14
2 Functional Description ....................................................................................................... 16
2.1 Analog Processing and A/D Converters ................................................................................ 16
2.1.1 Video Input Switch Control .................................................................................... 17
2.1.2 Analog Input Clamping ......................................................................................... 17
2.1.3 Automatic Gain Control ........................................................................................ 17
2.1.4 Analog Video Output ........................................................................................... 17
2.1.5 A/D Converters .................................................................................................. 18
2.2 Digital Video Processing .................................................................................................. 18
2.2.1 2x Decimation Filter ............................................................................................ 18
2.2.2 Composite Processor .......................................................................................... 18
2.2.2.1 Color Low-Pass Filter .............................................................................. 20
2.2.2.2 Y/C Separation ..................................................................................... 21
2.2.3 Luminance Processing ......................................................................................... 22
2.2.4 Color Transient Improvement ................................................................................. 22
2.3 Clock Circuits .............................................................................................................. 23
2.4 Real-Time Control (RTC) ................................................................................................. 23
2.5 Output Formatter .......................................................................................................... 24
2.5.1 Separate Syncs ................................................................................................. 25
2.5.2 Embedded Syncs ............................................................................................... 30
2.6 I
2
C Host Interface .......................................................................................................... 30
2.6.1 Reset and I
2
C Bus Address Selection ....................................................................... 31
2.6.2 I
2
C Operation .................................................................................................... 31
2.6.3 VBUS Access ................................................................................................... 32
2.7 VBI Data Processor ....................................................................................................... 33
2.7.1 VBI FIFO and Ancillary Data in Video Stream .............................................................. 34
2.7.2 VBI Raw Data Output .......................................................................................... 35
2.8 Reset and Initialization .................................................................................................... 35
2.9 Adjusting External Syncs ................................................................................................. 36
2.10 Internal Control Registers ................................................................................................ 37
2.11 Register Definitions ....................................................................................................... 41
2.12 VBUS Register Definitions ............................................................................................... 86
3 Electrical Specifications ..................................................................................................... 93
3.1 Absolute Maximum Ratings .............................................................................................. 93
3.2 Recommended Operating Conditions .................................................................................. 94
3.3 Crystal Specifications ..................................................................................................... 94
3.4 Electrical Characteristics ................................................................................................. 95
3.5 DC Electrical Characteristics ............................................................................................. 95
3.6 Analog Processing and A/D Converters ................................................................................ 95
3.7 Clocks, Video Data, Sync Timing ....................................................................................... 96
3.8 I
2
C Host Port Timing ...................................................................................................... 96
3.9 Thermal Specifications .................................................................................................... 97
4 Example Register Settings .................................................................................................. 98
2 Contents Copyright © 2005–2012, Texas Instruments Incorporated