GS4911B Datasheet, PDF (6/113 Pages) Gennum Corporation – HD/SD/Graphics Clock and Timing Generator with GENLOCK

List of Figures
GS4911B/GS4910B Data Sheet
GS4911B Functional Block Diagram........................................................................... 2
GS4910B Functional Block Diagram........................................................................... 3
Figure 1-1: XTAL1 and XTAL2 Reference Circuits ....................................................19
Figure 2-1: PCLK to TIMING_OUT Signal Output Timing ..........................................34
Figure 2-2: Maximum Pb-free Solder Reflow Profile (preferred) ................................35
Figure 2-3: Standard Pb Solder Reflow Profile .........................................................35
Figure 3-1: HD-SD Calculation ...................................................................................39
Figure 3-2: Output Accuracy and Modes of Operation ...............................................41
Figure 3-3: Example HSYNC, VSYNC, and FSYNC Analog Input Timing
from a Sync Separator ...............................................................................................43
Figure 3-4: Example H Blanking, V Blanking, and F Digital Input Timing
from an SDI Deserializer ............................................................................................43
Figure 3-5: 10FID Input Timing ..................................................................................44
Figure 3-6: Internal Video Genlock Block ...................................................................54
Figure 3-7: Internal Audio Genlock Block ...................................................................56
Figure 3-8: Default 10FID Output Timing ...................................................................67
Figure 3-9: Optional 10FID Output Timing .................................................................68
Figure 3-10: AFS Output Timing ................................................................................69
Figure 3-11: USER Programmable Output Signal .....................................................70
Figure 3-12: Custom Timing Parameters ...................................................................74
Figure 3-13: Audio Clock Block Diagram for HD Demux Operation ...........................75
Figure 3-14: GSPI Application Interface Connection .................................................76
Figure 3-15: Command Word Format ........................................................................77
Figure 3-16: Data Word Format .................................................................................77
Figure 3-17: GSPI Read Mode Timing .......................................................................78
Figure 3-18: GSPI Write Mode Timing .......................................................................78
Figure 3-19: In-Circuit JTAG ....................................................................................105
Figure 3-20: System JTAG .......................................................................................106
36655 - 2 April 2006
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