ADV7181BBCPZ datasheet(2/96 Pages) AD

2 / 96 page

ADV7181B

Rev. 0 | Page 2 of 96

TABLE OF CONTENTS

Introduction ...................................................................................... 3

Analog Front End ......................................................................... 3

Standard Definition Processor ................................................... 3

Functional Block Diagram .............................................................. 4

Specifications..................................................................................... 5

Electrical Characteristics ............................................................. 5

Video Specifications..................................................................... 6

Timing Specifications .................................................................. 7

Analog Specifications................................................................... 7

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

Timing Diagrams.......................................................................... 8

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Analog Front End ........................................................................... 12

Analog Input Muxing ................................................................ 12

Global Control Registers ............................................................... 14

Power-Save Modes...................................................................... 14

Reset Control .............................................................................. 14

Global Pin Control ..................................................................... 15

Global Status Registers................................................................... 17

Identification............................................................................... 17

Status 1 ......................................................................................... 17

Autodetection Result.................................................................. 17

Status 2 ......................................................................................... 17

Status 3 ......................................................................................... 18

Standard Definition Processor (SDP).......................................... 19

SD Luma Path ............................................................................. 19

SD Chroma Path......................................................................... 19

Sync Processing........................................................................... 20

VBI Data Recovery..................................................................... 20

General Setup.............................................................................. 20

Color Controls ............................................................................ 22

Clamp Operation........................................................................ 24

Luma Filter .................................................................................. 25

Chroma Filter.............................................................................. 28

Gain Operation........................................................................... 29

Chroma Transient Improvement (CTI) .................................. 32

Digital Noise Reduction (DNR) ............................................... 33

Comb Filters................................................................................ 34

AV Code Insertion and Controls ............................................. 36

Synchronization Output Signals............................................... 38

Sync Processing .......................................................................... 45

VBI Data Decode ....................................................................... 46

Pixel Port Configuration ............................................................... 58

MPU Port Description................................................................... 59

I2C Sequencer.............................................................................. 60

I2C Register Maps ........................................................................... 61

I2C Register Map Details ........................................................... 66

I2C Programming Examples.......................................................... 88

Mode 1 CVBS Input (Composite Video on AIN6)................ 88

Mode 2 S-Video Input (Y on AIN1 and C on AIN4) ............ 88

Mode 3 525i/625i YPrPb Input (Y on AIN1, Pr on AIN3, and

Pb on AIN5) ................................................................................ 89

Mode 4 CVBS Tuner Input CVBS PAL on AIN6................... 89

PCB Layout Recommendations.................................................... 90

Analog Interface Inputs ............................................................. 90

Power Supply Decoupling ......................................................... 90

PLL ............................................................................................... 90

Digital Outputs (Both Data and Clocks)................................. 90

Digital Inputs .............................................................................. 91

Antialiasing Filters ..................................................................... 91

Typical Circuit Connection........................................................... 92

Outline Dimensions ....................................................................... 94

Ordering Guide .......................................................................... 95

REVISION HISTORY

7/04—Revision 0: Initial Version

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