GS2970 Datasheet, PDF (5/145 Pages) Semtech Corporation – 3Gb/s, HD, SD SDI Receiver Complete with SMPTE Audio and Video Processing

4.15 EDH Detection .............................................................................................................................. 60
4.15.1 EDH Packet Detection.................................................................................................... 60
4.15.2 EDH Flag Detection ........................................................................................................ 60
4.16 Video Signal Error Detection & Indication .......................................................................... 61
4.16.1 TRS Error Detection ........................................................................................................ 63
4.16.2 Line Based CRC Error Detection................................................................................. 63
4.16.3 EDH CRC Error Detection............................................................................................. 64
4.16.4 HD & 3G Line Number Error Detection.................................................................... 64
4.17 Ancillary Data Detection & Indication ................................................................................. 64
4.17.1 Programmable Ancillary Data Detection ................................................................ 66
4.17.2 SMPTE 352M Payload Identifier................................................................................. 67
4.17.3 Ancillary Data Checksum Error ................................................................................. 68
4.17.4 Video Standard Error ..................................................................................................... 69
4.18 Signal Processing ......................................................................................................................... 69
4.18.1 TRS Correction & Insertion........................................................................................... 70
4.18.2 Line Based CRC Correction & Insertion ................................................................... 71
4.18.3 Line Number Error Correction & Insertion ............................................................. 71
4.18.4 ANC Data Checksum Error Correction & Insertion ............................................. 71
4.18.5 EDH CRC Correction & Insertion ............................................................................... 71
4.18.6 Illegal Word Re-mapping ............................................................................................. 72
4.18.7 TRS and Ancillary Data Preamble Remapping...................................................... 72
4.18.8 Ancillary Data Extraction............................................................................................. 72
4.18.9 Level B to Level A Conversion .................................................................................... 76
4.19 Audio De-embedder ................................................................................................................... 77
4.19.1 Serial Audio Data I/O Signals...................................................................................... 77
4.19.2 Serial Audio Data Format Support ............................................................................ 79
4.19.3 Audio Processing............................................................................................................. 83
4.19.4 Error Reporting ................................................................................................................ 89
4.20 GSPI - HOST Interface ................................................................................................................ 90
4.20.1 Command Word Description ...................................................................................... 90
4.20.2 Data Read or Write Access........................................................................................... 91
4.20.3 GSPI Timing....................................................................................................................... 92
4.21 Host Interface Register Maps .................................................................................................. 94
4.21.1 Video Core Registers ...................................................................................................... 94
4.21.2 SD Audio Core Registers .............................................................................................107
4.21.3 HD and 3G Audio Core Registers.............................................................................122
4.22 JTAG Test Operation .................................................................................................................137
4.23 Device Power-up .......................................................................................................................139
4.24 Device Reset ................................................................................................................................139
4.25 Standby Mode .............................................................................................................................139
5. Application Reference Design..............................................................................................................140
5.1 Typical Application Circuit ......................................................................................................140
6. References & Relevant Standards .......................................................................................................141
7. Package & Ordering Information ........................................................................................................142
7.1 Package Dimensions ...................................................................................................................142
7.2 Packaging Data .............................................................................................................................143
7.3 Marking Diagram .........................................................................................................................143
7.4 Solder Reflow Profiles ................................................................................................................144
7.5 Ordering Information .................................................................................................................144
GS2970 3Gb/s, HD, SD SDI Receiver Complete with
SMPTE Audio and Video Processing
Data Sheet
47478 - 4
September 2012
5 of 145