Datasheet

ADV7320/ADV7321
Rev. A | Page 2 of 88
TABLE OF CONTENTS
Features .............................................................................................. 1
General Features ............................................................................... 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 3
Detailed Features .............................................................................. 4
Terminology ...................................................................................... 5
Specifications..................................................................................... 6
Dynamic Specifications ............................................................... 7
Timing Specifications .................................................................. 8
Timing Diagrams.......................................................................... 9
Absolute Maximum Ratings.......................................................... 16
Thermal Characteristics ............................................................ 16
ESD Caution................................................................................ 16
Pin Configuration and Function Descriptions........................... 17
Typical Performance Characteristics ........................................... 19
MPU Port Description................................................................... 23
Register Access................................................................................ 25
Register Programming............................................................... 25
Subaddress Register (SR7 to SR0) ............................................ 25
Input Configuration ....................................................................... 38
SD Only........................................................................................ 38
PS Only or HDTV Only ............................................................ 38
Simultaneous SD/PS or SD/HDTV.......................................... 38
PS at 27 MHz (Dual Edge) or 54 MHz.................................... 39
Features ............................................................................................ 41
Output Configuration................................................................ 41
HD Async Timing Mode........................................................... 42
HD Timing Reset........................................................................ 43
SD Real-Time Control, Subcarrier Reset, and Timing Reset ....43
Reset Sequence ........................................................................... 45
SD VCR FF/RW Sync ................................................................ 45
Vertical Blanking Interval ......................................................... 46
Subcarrier Frequency Registers................................................ 46
Square Pixel Timing Mode........................................................ 47
Filters............................................................................................ 48
Color Controls and RGB Matrix .............................................. 49
Programmable DAC Gain Control.......................................... 53
Gamma Correction .................................................................... 53
HD Sharpness Filter and Adaptive Filter Controls................ 55
HD Sharpness Filter and
Adaptive Filter Application Examples.....................................
56
SD Digital Noise Reduction...................................................... 57
Coring Gain Border ................................................................... 58
Coring Gain Data....................................................................... 58
DNR Threshold .......................................................................... 58
Border Area................................................................................. 58
Block Size Control...................................................................... 58
DNR Input Select Control......................................................... 58
DNR Mode Control ................................................................... 59
Block Offset Control .................................................................. 59
SD Active Video Edge................................................................ 59
SAV/EAV Step-Edge Control ................................................... 59
HSYNC
/
VSYNC
Output Control ............................................ 61
Board Design and Layout.............................................................. 62
DAC Termination and Layout Considerations ...................... 62
Video Output Buffer and Optional Output Filter.................. 62
PCB Board Layout...................................................................... 63
Appendix 1—Copy Generation Management System .............. 65
PS CGMS..................................................................................... 65
HD CGMS................................................................................... 65
SD CGMS .................................................................................... 65