adv7322 Analog Devices, Inc., adv7322 Datasheet - Page 2

• Manufacturer Part Number: adv7322
• Description: Multiformat 11-bit Hdtv Video Encoder
• Manufacturer: Analog Devices, Inc.

ADV7322
TABLE OF CONTENTS
Specifications..................................................................................... 6
Dynamic Specifications ................................................................... 7
Timing Specifications....................................................................... 8
Timing Diagrams.............................................................................. 9
Absolute Maximum Ratings.......................................................... 17
Pin Configuration and Function Descriptions........................... 18
Typical Performance Characteristics ........................................... 20
MPU Port Description................................................................... 24
Register Access ................................................................................ 26
Input Configuration ....................................................................... 39
Features ............................................................................................ 42
Thermal Characteristics ............................................................ 17
Register Programming............................................................... 26
Subaddress Register (SR7 to SR0) ............................................ 26
Standard Definition Only.......................................................... 39
Progressive Scan Only or HDTV Only ................................... 39
Simultaneous Standard Definition and Progressive Scan or
HDTV .......................................................................................... 39
Progressive Scan at 27 MHz (Dual Edge) or 54 MHz ........... 40
Output Configuration................................................................ 42
HD Async Timing Mode ........................................................... 43
HD Timing Reset........................................................................ 44
SD Real-Time Control, Subcarrier Reset, and Timing Reset 44
Reset Sequence............................................................................ 46
SD VCR FF/RW Sync................................................................. 46
Vertical Blanking Interval ......................................................... 47
Subcarrier Frequency Registers ................................................ 47
Square Pixel Timing Mode........................................................ 48
Filters............................................................................................ 49
Color Controls and RGB Matrix .............................................. 50
Programmable DAC Gain Control .......................................... 54
Gamma Correction .................................................................... 54
Rev. PrA | Page 2 of 88
Board Design and Layout.............................................................. 62
Appendix 1—Copy Generation Management System .............. 65
Appendix 2—SD Wide Screen Signaling..................................... 68
Appendix 3—SD Closed Captioning ........................................... 69
Appendix 4—Test Patterns............................................................ 70
Appendix 5—SD Timing Modes .................................................. 73
HD Sharpness Filter and Adaptive Filter Controls ................ 56
HD Sharpness Filter and Adaptive Filter Application
Examples...................................................................................... 57
SD Digital Noise Reduction...................................................... 58
Coring Gain Border ................................................................... 59
Coring Gain Data ....................................................................... 59
DNR Threshold .......................................................................... 59
Border Area ................................................................................. 59
Block Size Control...................................................................... 59
DNR Input Select Control......................................................... 59
DNR Mode Control ................................................................... 60
Block Offset Control .................................................................. 60
SD Active Video Edge ................................................................ 60
SAV/EAV Step Edge Control .................................................... 60
DAC Termination and Layout Considerations ...................... 62
Video Output Buffer and Optional Output Filter.................. 62
PCB Board Layout...................................................................... 63
PS CGMS..................................................................................... 65
HD CGMS................................................................................... 65
SD CGMS .................................................................................... 65
Function of CGMS Bits ............................................................. 65
CGMS Functionality.................................................................. 65
Mode 0 (CCIR-656)—Slave Option (Timing Register 0 TR0 =
X X X X X 0 0 0) ......................................................................... 73
Mode 0 (CCIR-656)—Master Option (Timing Register 0 TR0
= X X X X X 0 0 1)...................................................................... 74
Preliminary Technical Data