GS2962 Datasheet, PDF (3/82 Pages) Gennum Corporation – Integrated Narrow-Bandwidth PLL

Contents
Key Features........................................................................................................................................................1
Applications.........................................................................................................................................................1
Description ........................................................................................................................................................... 1
Functional Block Diagram ..............................................................................................................................2
Revision History .................................................................................................................................................2
1. Pin Out...............................................................................................................................................................7
1.1 Pin Assignment ..................................................................................................................................7
1.2 Pin Descriptions ................................................................................................................................8
2. Electrical Characteristics ......................................................................................................................... 15
2.1 Absolute Maximum Ratings ....................................................................................................... 15
2.2 Recommended Operating Conditions .................................................................................... 15
2.3 DC Electrical Characteristics ..................................................................................................... 16
2.4 AC Electrical Characteristics ..................................................................................................... 18
3. Input/Output Circuits ............................................................................................................................... 21
4. Detailed Description.................................................................................................................................. 26
4.1 Functional Overview .................................................................................................................... 26
4.2 Parallel Data Inputs ....................................................................................................................... 27
4.2.1 Parallel Input in SMPTE Mode....................................................................................... 28
4.2.2 Parallel Input in DVB-ASI Mode................................................................................... 29
4.2.3 Parallel Input in Data-Through Mode......................................................................... 29
4.2.4 Parallel Input Clock (PCLK) ............................................................................................ 30
4.3 SMPTE Mode ................................................................................................................................... 31
4.3.1 H:V:F Timing ....................................................................................................................... 31
4.3.2 CEA 861 Timing.................................................................................................................. 33
4.4 DVB-ASI Mode ............................................................................................................................... 40
4.5 Data-Through Mode ..................................................................................................................... 41
4.6 Standby Mode ................................................................................................................................. 41
4.7 ANC Data Insertion ....................................................................................................................... 41
4.7.1 ANC Insertion Operating Modes .................................................................................. 42
4.7.2 3G ANC Insertion............................................................................................................... 43
4.7.3 HD ANC Insertion.............................................................................................................. 45
4.7.4 SD ANC Insertion............................................................................................................... 46
4.8 Additional Processing Functions .............................................................................................. 47
4.8.1 Video Format Detection .................................................................................................. 47
4.8.2 3G Format Detection ........................................................................................................ 50
4.8.3 ANC Data Blanking ........................................................................................................... 52
4.8.4 ANC Data Checksum Calculation and Insertion..................................................... 53
4.8.5 TRS Generation and Insertion ....................................................................................... 53
4.8.6 HD and 3G Line Number Calculation and Insertion.............................................. 54
4.8.7 Illegal Code Re-Mapping................................................................................................. 54
4.8.8 SMPTE 352M Payload Identifier Packet Insertion.................................................. 54
4.8.9 Line Based CRC Generation and Insertion (HD/3G) .............................................. 55
GS2962 3G/HD/SD-SDI Serializer with Complete
SMPTE Video Support
Data Sheet
48005 - 7
October 2010
3 of 82