ADV7181BBCPZ View Datasheet(PDF) - Analog Devices
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ADV7181BBCPZ Datasheet PDF : 96 Pages
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ADV7181B
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
REVISION HISTORY
7/04—Revision 0: Initial Version
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
Register Accesses ........................................................................ 60
Register Programming............................................................... 60
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
Rev. 0 | Page 2 of 96
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