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
Rev. 0 | Page 2 of 96
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
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C Sequencer.............................................................................. 60
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C Register Maps........................................................................... 61
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C Register Map Details........................................................... 66
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C 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
7/04—Revision 0: Initial Version