
GS1531 Data Sheet
30573 - 4
July 2005
3 of 49
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........................................................................................13
2.1 Absolute Maximum Ratings ..........................................................................13
2.2 DC Electrical Characteristics ........................................................................13
2.3 AC Electrical Characteristics.........................................................................14
2.4 Solder Reflow Profiles...................................................................................16
3. Input/Output Circuits ..............................................................................................17
3.1 Host Interface Maps......................................................................................19
3.1.1 Host Interface Map (Read Only Registers).........................................20
3.1.2 Host Interface Map (R/W Configurable Registers) .............................21
4. Detailed Description...............................................................................................22
4.1 Functional Overview .....................................................................................22
4.2 Parallel Data Inputs.......................................................................................22
4.2.1 Parallel Input in SMPTE Mode............................................................23
4.2.2 Parallel Input in DVB-ASI Mode..........................................................23
4.2.3 Parallel Input in Data-Through Mode..................................................23
4.2.4 Parallel Input Clock (PCLK)................................................................24
4.3 SMPTE Mode................................................................................................25
4.3.1 Internal Flywheel.................................................................................25
4.3.2 HVF Timing Signal Extraction.............................................................25
4.4 DVB-ASI mode..............................................................................................27
4.4.1 Control Signal Inputs ..........................................................................27
4.5 Data-Through Mode......................................................................................28
4.6 Additional Processing Functions...................................................................28
4.6.1 Input Data Blank .................................................................................28
4.6.2 Automatic Video Standard Detection..................................................28
4.6.3 Packet Generation and Insertion ........................................................30
4.7 Parallel-To-Serial Conversion.......................................................................37
4.8 Serial Digital Data PLL..................................................................................38
4.8.1 External VCO......................................................................................38
4.8.2 Lock Detect Output.............................................................................38
4.9 Serial Digital Output......................................................................................39
4.9.1 Output Swing ......................................................................................39
4.9.2 Serial Digital Output Mute...................................................................39
4.10 GSPI Host Interface....................................................................................40