GS9090 查看數據表（PDF） - Gennum -> Semtech

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GS9090

GenLINX® III 270Mb/s Deserializer for SDI and DVB-ASI

Gennum -> Semtech 

Contents

GS9090 Data Sheet

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

28201 - 1 July 2005

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