GS1670 datasheet(5/126 Pages) SEMTECH

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GS1670 HD/SD SDI Receiver

Data Sheet

53831 - 2

September 2012

5 of 126

4.15 Video Signal Error Detection & Indication ......................................................................... 50

4.15.1 TRS Error Detection........................................................................................................ 52

4.15.2 Line Based CRC Error Detection ................................................................................ 52

4.15.3 EDH CRC Error Detection............................................................................................. 53

4.15.4 HD Line Number Error Detection .............................................................................. 53

4.16 Ancillary Data Detection & Indication ................................................................................. 53

4.16.1 Programmable Ancillary Data Detection................................................................ 54

4.16.2 SMPTE 352M Payload Identifier ................................................................................ 55

4.16.3 Ancillary Data Checksum Error ................................................................................. 55

4.16.4 Video Standard Error.....................................................................................................56

4.17 Signal Processing ......................................................................................................................... 56

4.17.1 TRS Correction & Insertion........................................................................................... 57

4.17.2 Line Based CRC Correction & Insertion ................................................................... 58

4.17.3 Line Number Error Correction & Insertion ............................................................. 58

4.17.4 ANC Data Checksum Error Correction & Insertion ............................................. 58

4.17.5 EDH CRC Correction & Insertion ............................................................................... 58

4.17.6 Illegal Word Re-mapping ............................................................................................. 59

4.17.7 TRS and Ancillary Data Preamble Remapping...................................................... 59

4.17.8 Ancillary Data Extraction............................................................................................. 59

4.18 Audio De-embedder ................................................................................................................... 63

4.18.1 Serial Audio Data I/O Signals...................................................................................... 63

4.18.2 Serial Audio Data Format Support ............................................................................ 64

4.18.3 Audio Processing............................................................................................................. 69

4.18.4 Error Reporting ................................................................................................................ 75

4.19 GSPI - HOST Interface ................................................................................................................ 76

4.19.1 Command Word Description...................................................................................... 76

4.19.2 Data Read or Write Access........................................................................................... 77

4.19.3 GSPI Timing....................................................................................................................... 78

4.20 Host Interface Register Maps .................................................................................................. 80

4.20.1 Video Core Registers...................................................................................................... 80

4.20.2 SD Audio Core Registers............................................................................................... 89

4.20.3 HD Audio Core Registers............................................................................................103

4.21 JTAG Test Operation ................................................................................................................119

4.22 Device Power-up .......................................................................................................................120

4.23 Device Reset ................................................................................................................................120

4.24 Standby Mode ............................................................................................................................120

5. Application Reference Design .............................................................................................................121

5.1 Typical Application Circuit ......................................................................................................121

6. References & Relevant Standards .......................................................................................................122

7. Package & Ordering Information ........................................................................................................123

7.1 Package Dimensions ...................................................................................................................123

7.2 Packaging Data .............................................................................................................................124

7.3 Marking Diagram .........................................................................................................................124

7.4 Solder Reflow Profiles ................................................................................................................125

7.5 Ordering Information .................................................................................................................125

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