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GS9090B Datasheet(PDF) 3 Page - Gennum Corporation |
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GS9090B Datasheet(HTML) 3 Page - Gennum Corporation |
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3 / 71 page  GS9090B Data Sheet 40749 - 2 January 2007 3 of 71 Contents Key Features.................................................................................................................1 Applications...................................................................................................................1 Description ....................................................................................................................1 Functional Block Diagram .............................................................................................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 |
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