GS2971A Datasheet, PDF (7/152 Pages) Gennum Corporation – Integrated audio clock generator

Figure 4-32: Ancillary Data Extraction - Step A .................................................................................. 77
Figure 4-33: Ancillary Data Extraction - Step B ................................................................................... 78
Figure 4-34: Ancillary Data Extraction - Step C .................................................................................. 78
Figure 4-35: Ancillary Data Extraction - Step D .................................................................................. 79
Figure 4-36: ACLK to Data Signal Output Timing ............................................................................... 82
Figure 4-37: I²S Audio Output Format .................................................................................................... 83
Figure 4-38: AES/EBU Audio Output Format ....................................................................................... 83
Figure 4-39: Serial Audio, Left Justified, MSB First ............................................................................. 84
Figure 4-40: Serial Audio, Left Justified, LSB First .............................................................................. 84
Figure 4-41: Serial Audio, Right Justified, MSB First .......................................................................... 84
Figure 4-42: Serial Audio, Right Justified, LSB First ........................................................................... 84
Figure 4-43: AES/EBU Audio Output to Bit Clock Timing ................................................................ 84
Figure 4-44: ECC 24-bit Array and Examples ...................................................................................... 87
Figure 4-45: Sample Distribution over 5 Video Frames (525-line Systems) ............................... 89
Figure 4-46: Audio Buffer After Initial 26 Sample Write .................................................................. 89
Figure 4-47: Audio Buffer Pointer Boundary Checking .................................................................... 90
Figure 4-48: GSPI Application Interface Connection ........................................................................ 95
Figure 4-49: Command Word Format ..................................................................................................... 95
Figure 4-50: Data Word Format ................................................................................................................ 96
Figure 4-51: Write Mode .............................................................................................................................. 97
Figure 4-52: Read Mode ............................................................................................................................... 97
Figure 4-53: GSPI Time Delay .................................................................................................................... 97
Figure 4-54: In-Circuit JTAG .................................................................................................................... 144
Figure 4-55: System JTAG ......................................................................................................................... 144
Figure 4-56: Reset Pulse ............................................................................................................................. 145
Figure 7-1: Pb-free Solder Reflow Profile ............................................................................................ 151
List of Tables
Table 1-1: Pin Descriptions ............................................................................................................................ 9
Table 2-1: Absolute Maximum Ratings................................................................................................... 17
Table 2-2: Recommended Operating Conditions................................................................................ 17
Table 2-3: DC Electrical Characteristics ................................................................................................. 18
Table 2-4: AC Electrical Characteristics ................................................................................................. 20
Table 4-1: Serial Digital Output................................................................................................................. 32
Table 4-2: PLL Loop Bandwidth ................................................................................................................ 33
Table 4-3: Input Clock Requirements...................................................................................................... 34
Table 4-4: Lock Detect Conditions............................................................................................................ 35
Table 4-5: GS2971A Output Video Data Format Selections ............................................................ 39
Table 4-6: GS2971A PCLK Output Rates ................................................................................................ 41
Table 4-7: Switch Line Position for Digital Systems ........................................................................... 47
Table 4-8: Output Signals Available on Programmable Multi-Function Pins............................ 48
Table 4-9: Supported CEA-861 Formats................................................................................................. 52
Table 4-10: CEA861 Timing Formats....................................................................................................... 53
Table 4-11: Supported Video Standard Codes ..................................................................................... 60
Table 4-12: Data Format Register Codes ................................................................................................ 64
Table 4-13: Error Status Register and Error Mask Register .............................................................. 66
Table 4-14: SMPTE 352M Packet Data .................................................................................................... 72
Table 4-15: IOPROC_DISABLE Register Bits ......................................................................................... 74
Table 4-16: Serial Audio Pin Descriptions ............................................................................................. 81
Table 4-17: Audio Output Formats........................................................................................................... 83
GS2971A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54311 - 2
September 2012
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