ADV7181BST データシートの表示（PDF） - Analog Devices

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ADV7181BST

Multiformat SDTV Video Decoder

Analog Devices 

ADV7181

TABLE OF CONTENTS

Introduction ...................................................................................... 4

Analog Front End ......................................................................... 4

Standard Definition Processor ................................................... 4

Functional Block Diagram .............................................................. 5

Specifications..................................................................................... 6

Electrical Characteristics ............................................................. 6

Video Specifications..................................................................... 7

Timing Specifications .................................................................. 8

Analog Specifications................................................................... 8

Thermal Specifications ................................................................ 8

Timing Diagrams.......................................................................... 9

Absolute Maximum Ratings.......................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Analog Front End ........................................................................... 13

Analog Input Muxing ................................................................ 13

Global Control Registers ............................................................... 15

Power-Save Modes...................................................................... 15

Reset Control .............................................................................. 15

Global Pin Control ..................................................................... 16

Global Status Registers................................................................... 18

Identification............................................................................... 18

Status 1 ......................................................................................... 18

Status 2 ......................................................................................... 19

Status 3 ......................................................................................... 19

Standard Definition Processor (SDP).......................................... 20

SD Luma Path ............................................................................. 20

SD Chroma Path......................................................................... 20

SDP Sync Processing.................................................................. 21

SDP VBI Data Recovery ............................................................ 21

SDP General Setup ..................................................................... 21

SDP Color Controls ................................................................... 24

SDP Clamp Operation............................................................... 26

SDP Luma Filter ......................................................................... 27

SDP Chroma Filter..................................................................... 30

SDP Gain Operation .................................................................. 31

SDP Chroma Transient Improvement (CTI).......................... 35

SDP Digital Noise Reduction (DNR) ...................................... 36

SDP Comb Filters....................................................................... 36

SDP AV Code Insertion and Controls..................................... 39

SDP Synchronization Output Signals...................................... 41

SDP Sync Processing.................................................................. 50

SDP VBI Data Decode ............................................................... 51

Pixel Port Configuration ............................................................... 62

MPU Port Description................................................................... 63

Register Accesses ........................................................................ 64

Register Programming............................................................... 64

I2C Sequencer.............................................................................. 64

I2C Control Register Map.......................................................... 65

I2C Register Map Details ........................................................... 69

Appendix A...................................................................................... 96

I2C Programming Examples ..................................................... 96

Appendix B...................................................................................... 99

PCB Layout Recommendations ............................................... 99

Appendix C ................................................................................... 101

Typical Circuit Connection .................................................... 101

Outline Dimensions ..................................................................... 103

Ordering Guide ........................................................................ 104

Rev. A | Page 2 of 104

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