GS9090B_10 Datasheet, PDF (3/72 Pages) Gennum Corporation – GenLINX III 270Mb/s Deserializer for SDI

Contents
Key Features ........................................................................................................................................................1
Applications ......................................................................................................................................................... 1
Description ........................................................................................................................................................... 1
Functional Block Diagram ..............................................................................................................................2
Revision History .................................................................................................................................................2
1. Pin Out...............................................................................................................................................................5
1.1 Pin Assignment ..................................................................................................................................5
2. Electrical Characteristics ......................................................................................................................... 12
2.1 Absolute Maximum Ratings ....................................................................................................... 12
2.2 DC Characteristics ......................................................................................................................... 12
2.3 AC Electrical Characteristics ..................................................................................................... 13
2.4 Solder Reflow Profiles .................................................................................................................. 15
2.5 Host Interface Map ........................................................................................................................ 16
2.5.1 Host Interface Map (R/W registers) ............................................................................. 18
2.5.2 Host Interface Map (Read only registers) .................................................................. 20
3. Detailed Description.................................................................................................................................. 22
3.1 Functional Overview .................................................................................................................... 22
3.2 Serial Digital Input ........................................................................................................................ 22
3.3 Clock and Data Recovery ............................................................................................................ 23
3.3.1 Internal VCO and Phase Detector................................................................................ 23
3.4 Serial-To-Parallel Conversion ................................................................................................... 23
3.5 Modes Of Operation ..................................................................................................................... 23
3.5.1 Lock Detect .......................................................................................................................... 24
3.5.2 Auto Mode............................................................................................................................ 26
3.5.3 Manual Mode ...................................................................................................................... 26
3.6 SMPTE Functionality .................................................................................................................... 27
3.6.1 SMPTE Descrambling and Word Alignment ............................................................ 27
3.6.2 Internal Flywheel .............................................................................................................. 27
3.6.3 Switch Line Lock Handling............................................................................................. 28
3.6.4 HVF Timing Signal Generation ..................................................................................... 29
3.7 DVB-ASI Functionality ................................................................................................................ 30
3.7.1 DVB-ASI 8b/10b Decoding............................................................................................. 31
3.7.2 Status Signal Outputs ....................................................................................................... 31
3.8 Data-Through Functionality ...................................................................................................... 31
3.9 Additional Processing Features ................................................................................................ 32
3.9.1 FIFO Load Pulse ................................................................................................................. 32
3.9.2 Ancillary Data Detection and Indication................................................................... 33
3.9.3 EDH Packet Detection...................................................................................................... 34
3.9.4 EDH Flag Detection........................................................................................................... 35
3.9.5 SMPTE 352M Payload Identifier................................................................................... 37
3.9.6 Automatic Video Standard and Data Format Detection ...................................... 38
3.9.7 Error Detection and Indication ..................................................................................... 39
GS9090B GenLINX® III 270Mb/s Deserializer for SDI
Data Sheet
40749 - 5
May 2010
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