GS3470 datasheet(5/169 Pages) SEMTECH

5 / 169 page

GS3470

Final Data Sheet

Rev.8

PDS-060500

September 2017

5 of 169

Semtech

www.semtech.com

4.16 Video Signal Error Detection & Indication ........................................................................... 61

4.16.1 TRS Error Detection .......................................................................................................... 62

4.16.2 Line Based CRC Error Detection................................................................................... 63

4.16.3 EDH CRC Error Detection................................................................................................ 63

4.16.4 HD & 3G Line Number Error Detection ..................................................................... 63

4.17 Ancillary Data Detection & Indication ................................................................................... 64

4.17.1 Programmable Ancillary Data Detection ................................................................. 66

4.17.2 SMPTE ST 352 Payload Identifier ................................................................................. 66

4.17.3 Ancillary Data Checksum Error..................................................................................... 68

4.18 Signal Processing .......................................................................................................................... 68

4.18.1 Audio De-Embedding Mode......................................................................................... 68

4.18.2 ANC Processing.................................................................................................................. 69

4.18.3 TRS Insertion....................................................................................................................... 70

4.18.4 Line Based CRC Insertion................................................................................................ 70

4.18.5 Line Number Insertion ....................................................................................................71

4.18.6 ANC Data Checksum Insertion ..................................................................................... 71

4.18.7 EDH CRC Insertion ............................................................................................................ 71

4.18.8 Illegal Word Re-mapping ............................................................................................... 71

4.18.9 TRS and Ancillary Data Preamble Remapping ....................................................... 72

4.18.10 Ancillary Data Extraction ............................................................................................. 72

4.19 Audio De-Embedder .................................................................................................................... 77

4.19.1 Serial Audio Data I/O Signals ........................................................................................ 78

4.19.2 Serial Audio Data Format Support.............................................................................. 79

4.19.3 Audio Processing .............................................................................................................. 84

4.19.4 Error Reporting .................................................................................................................. 91

4.20 GSPI - HOST Interface ................................................................................................................... 91

4.20.1 CS Pin..................................................................................................................................... 92

4.20.2 SDIN Pin................................................................................................................................ 92

4.20.3 SDOUT Pin ........................................................................................................................... 92

4.20.4 SCLK Pin................................................................................................................................ 94

4.20.5 Command Word Description........................................................................................ 94

4.20.6 GSPI Transaction Timing ................................................................................................ 97

4.20.7 Single Read/Write Access............................................................................................... 99

4.20.8 Auto-Increment Read/Write Access ......................................................................... 100

4.20.9 Setting a Device Unit Address.................................................................................... 102

4.20.10 Default GSPI Operation .............................................................................................. 103

4.21 JTAG Test Operation ..................................................................................................................104

5. Register Map................................................................................................................................................. 105

5.1 Control Registers ........................................................................................................................... 105

6. Application Information........................................................................................................................... 168

6.1 Typical Application Circuit ......................................................................................................... 168

6.2 Layout Considerations .................................................................................................................169

7. References & Relevant Standards ......................................................................................................... 170

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