
GS9090 Data Sheet
28201 - 1
July 2005
3 of 70
Contents
Key Features.................................................................................................................1
Applications...................................................................................................................1
Description ....................................................................................................................1
1.  Pin Out .....................................................................................................................5
1.1  Pin Assignment...............................................................................................5
1.2  Pin Descriptions..............................................................................................6
2.  Electrical Characteristics........................................................................................12
2.1  Absolute Maximum Ratings ..........................................................................12
2.2  DC Electrical Characteristics ........................................................................12
2.3  AC Electrical Characteristics.........................................................................13
2.4  Solder Reflow Profiles...................................................................................16
2.5  Host Interface Map........................................................................................17
2.5.1  Host Interface Map (R/W registers) ....................................................18
2.5.2  Host Interface Map (Read only registers)...........................................19
3.  Detailed Description...............................................................................................20
3.1  Functional Overview .....................................................................................20
3.2  Serial Digital Input.........................................................................................21
3.3  Clock and Data Recovery .............................................................................21
3.3.1  Internal VCO and Phase Detector ......................................................21
3.4  Serial-To-Parallel Conversion.......................................................................21
3.5  Modes Of Operation......................................................................................22
3.5.1  Lock Detect.........................................................................................22
3.5.2  Auto Mode ..........................................................................................24
3.5.3  Manual Mode......................................................................................25
3.6  SMPTE Functionality ....................................................................................25
3.6.1  SMPTE Descrambling and Word Alignment.......................................26
3.6.2  Internal Flywheel.................................................................................26
3.6.3  Switch Line Lock Handling..................................................................27
3.6.4  HVF Timing Signal Generation...........................................................28
3.7  DVB-ASI Functionality ..................................................................................29
3.7.1  DVB-ASI 8b/10b Decoding .................................................................29
3.7.2  Status Signal Outputs.........................................................................29
3.8  Data-Through functionality............................................................................29
3.9  Additional Processing Features ....................................................................30
3.9.1  FIFO Load Pulse.................................................................................30
3.9.2  Ancillary Data Detection and Indication..............................................31
3.9.3  EDH Packet Detection........................................................................33
3.9.4  EDH Flag Detection............................................................................33
3.9.5  SMPTE 352M Payload Identifier.........................................................36
3.9.6  Automatic Video Standard and Data Format Detection......................37