adv7180 Analog Devices, Inc., adv7180 Datasheet - Page 2
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adv7180
Manufacturer Part Number
adv7180
Description
10-bit, 4 X Oversampling Sdtv Video Decoder
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADV7180.pdf
(112 pages)
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ADV7180
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 3
Introduction ...................................................................................... 4
Functional Block Diagrams............................................................. 6
Specifications..................................................................................... 7
Absolute Maximum Ratings.......................................................... 11
Pin Configurations and Function Descriptions ......................... 12
Analog Front End ........................................................................... 15
Global Control Registers ............................................................... 19
Global Status Register .................................................................... 21
Video Processor .............................................................................. 22
Analog Front End ......................................................................... 4
Standard Definition Processor ................................................... 4
Comparison with the ADV7181B .............................................. 5
Electrical Characteristics............................................................. 7
Video Specifications..................................................................... 8
Timing Specifications .................................................................. 9
Analog Specifications................................................................... 9
Thermal Specifications ................................................................ 9
Timing Diagrams........................................................................ 10
ESD Caution................................................................................ 11
40-Lead LFCSP ........................................................................... 12
64-Lead LQFP ............................................................................. 13
Input Configuration ................................................................... 16
INSEL[3:0], Input Selection, Address 0x00 [3:0] ................... 16
Analog Input Muxing ................................................................ 17
Antialiasing Filters ..................................................................... 18
Power-Saving Modes.................................................................. 19
Reset Control .............................................................................. 19
Global Pin Control ..................................................................... 19
Identification............................................................................... 21
Status 1 ......................................................................................... 21
Autodetection Result.................................................................. 21
Status 2 ......................................................................................... 21
Status 3 ......................................................................................... 21
SD Luma Path ............................................................................. 22
Rev. B | Page 2 of 112
Pixel Port Configuration ............................................................... 72
GPO Control ................................................................................... 73
MPU Port Description................................................................... 74
I
I
PCB Layout Recommendations.................................................. 106
Typical Circuit Connection......................................................... 107
Outline Dimensions ..................................................................... 109
2
2
C Register Maps ........................................................................... 76
C Programming Examples........................................................ 104
SD Chroma Path......................................................................... 22
Sync Processing .......................................................................... 23
VBI Data Recovery..................................................................... 23
General Setup.............................................................................. 23
Color Controls ............................................................................ 25
Clamp Operation........................................................................ 27
Luma Filter .................................................................................. 28
Chroma Filter.............................................................................. 31
Gain Operation........................................................................... 32
Chroma Transient Improvement (CTI) .................................. 36
Digital Noise Reduction (DNR) and Luma Peaking Filter ... 37
Comb Filters................................................................................ 38
IF Filter Compensation ............................................................. 40
AV Code Insertion and Controls ............................................. 41
Synchronization Output Signals............................................... 43
Sync Processing .......................................................................... 50
VBI Data Decode ....................................................................... 50
I
Register Access............................................................................ 75
Register Programming............................................................... 75
I
ADV7180 LQFP-64.................................................................. 104
ADV7180 LFCSP-40 ................................................................ 105
Analog Interface Inputs ........................................................... 106
Power Supply Decoupling ....................................................... 106
PLL ............................................................................................. 106
VREFN and VREFP................................................................. 106
Digital Outputs (Both Data and Clocks) .............................. 106
Digital Inputs ............................................................................ 106
Ordering Guide ........................................................................ 109
2
2
C Readback Registers .............................................................. 59
C Sequencer.............................................................................. 75