GS4911B Datasheet, PDF (7/119 Pages) Gennum Corporation – HD/SD/Graphics Clock and Timing Generator with GENLOCK

Figure 3-12: Custom Timing Parameters ................................................................................................ 74
Figure 3-13: Audio Clock Block Diagram for HD Demux Operation ........................................... 76
Figure 3-14: GSPI Application Interface Connection ........................................................................ 77
Figure 3-15: Command Word Format ..................................................................................................... 77
Figure 3-16: Data Word Format ................................................................................................................ 78
Figure 3-17: GSPI Read Mode Timing ..................................................................................................... 79
Figure 3-18: GSPI Write Mode Timing .................................................................................................... 79
Figure 3-19: In-Circuit JTAG .................................................................................................................... 110
Figure 3-20: System JTAG ......................................................................................................................... 111
Figure 6-1: Maximum Pb-free Solder Reflow Profile (preferred) ................................................ 116
Figure 6-2: Standard Pb Solder Reflow Profile .................................................................................. 116
List of Tables
Table 1-1: Pin Descriptions ......................................................................................................................... 10
Table 1-2: Recognized Video and Graphics Standards ..................................................................... 21
Table 1-3: Output Timing Signals ............................................................................................................. 26
Table 2-1: DC Electrical Characteristics ................................................................................................. 30
Table 2-2: AC Electrical Characteristics ................................................................................................. 33
Table 2-3: Suggested External Crystal Specification ......................................................................... 36
Table 3-1: Clock_Phase_Offset[15:0] Encoding Scheme................................................................... 39
Table 3-2: Ambiguous Standard Identification.................................................................................... 47
Table 3-3: Max_Ref_Delta Encoding Scheme....................................................................................... 49
Table 3-4: Cross-reference Genlock Table............................................................................................. 52
Table 3-5: Integer Constant Value............................................................................................................ 57
Table 3-6: Video Clock Phase Adjustment Host Settings.................................................................. 62
Table 3-7: Audio Sample Rate Select....................................................................................................... 63
Table 3-8: Audio Clock Divider ................................................................................................................. 64
Table 3-9: Encoding Scheme for AFS_Reset_Window ...................................................................... 65
Table 3-10: Audio Sampling Frequency to Video Frame Rate Synchronization...................... 66
Table 3-11: Crosspoint Select..................................................................................................................... 71
Table 3-12: GSPI Timing Parameters ....................................................................................................... 78
Table 3-13: Configuration and Status Registers................................................................................... 79
Table 5-1: References & Relevant Standards ...................................................................................... 114
GS4911B/GS4910B HD/SD/Graphics Clock and Timing
Generator with GENLOCK
Data Sheet
36655 - 5
June 2009
7 of 119