ADV7181 AD [Analog Devices], ADV7181 Datasheet - Page 2

• Manufacturer Part Number: ADV7181
• Description: Multiformat SDTV Video Decoder
• Manufacturer: AD [Analog Devices]

ADV7181B
TABLE OF CONTENTS
Introduction ...................................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications..................................................................................... 5
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Analog Front End ........................................................................... 12
Global Control Registers ............................................................... 14
Global Status Registers................................................................... 17
Standard Definition Processor (SDP).......................................... 19
REVISION HISTORY
7/04—Revision 0: Initial Version
Analog Front End ......................................................................... 3
Standard Definition Processor ................................................... 3
Electrical Characteristics ............................................................. 5
Video Specifications..................................................................... 6
Timing Specifications .................................................................. 7
Analog Specifications................................................................... 7
Thermal Specifications ................................................................ 8
Timing Diagrams.......................................................................... 8
ESD Caution.................................................................................. 9
Analog Input Muxing ................................................................ 12
Power-Save Modes...................................................................... 14
Reset Control .............................................................................. 14
Global Pin Control ..................................................................... 15
Identification............................................................................... 17
Status 1 ......................................................................................... 17
Autodetection Result.................................................................. 17
Status 2 ......................................................................................... 17
Status 3 ......................................................................................... 18
SD Luma Path ............................................................................. 19
SD Chroma Path......................................................................... 19
Sync Processing........................................................................... 20
VBI Data Recovery..................................................................... 20
General Setup.............................................................................. 20
Color Controls ............................................................................ 22
Clamp Operation........................................................................ 24
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Pixel Port Configuration ............................................................... 58
MPU Port Description................................................................... 59
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PCB Layout Recommendations.................................................... 90
Typical Circuit Connection........................................................... 92
Outline Dimensions ....................................................................... 94
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C Register Maps ........................................................................... 61
C Programming Examples.......................................................... 88
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
Register Accesses ........................................................................ 60
Register Programming............................................................... 60
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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
Analog Interface Inputs ............................................................. 90
Power Supply Decoupling ......................................................... 90
PLL ............................................................................................... 90
Digital Outputs (Both Data and Clocks)................................. 90
Digital Inputs .............................................................................. 91
Antialiasing Filters ..................................................................... 91
Ordering Guide .......................................................................... 95
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C Sequencer.............................................................................. 60
C Register Map Details ........................................................... 66