GS3471 datasheet(5/179 Pages) SEMTECH

5 / 179 page

GS3471

Final Data Sheet Rev.4

PDS-060498

September 2017

5 of 179

Semtech

www.semtech.com

4.15 Automatic Video Standards Detection ................................................................................. 53

4.16 Data Format Detection & Indication ...................................................................................... 57

4.16.1 SMPTE ST 425 Mapping - 3G Level A and Level B Formats................................ 58

4.17 EDH Detection ................................................................................................................................ 59

4.17.1 EDH Packet Detection (SD Only) ................................................................................. 59

4.17.2 EDH Flag Detection .......................................................................................................... 59

4.18 Video Signal Error Detection & Indication ........................................................................... 60

4.18.1 TRS Error Detection .......................................................................................................... 61

4.18.2 Line Based CRC Error Detection................................................................................... 62

4.18.3 EDH CRC Error Detection................................................................................................ 62

4.18.4 HD & 3G Line Number Error Detection ..................................................................... 62

4.19 Ancillary Data Detection & Indication ................................................................................... 63

4.19.1 Programmable Ancillary Data Detection ................................................................. 65

4.19.2 SMPTE ST 352 Payload Identifier ................................................................................. 65

4.19.3 Ancillary Data Checksum Error..................................................................................... 67

4.20 Signal Processing .......................................................................................................................... 67

4.20.1 Audio De-Embedding Mode......................................................................................... 67

4.20.2 ANC Processing.................................................................................................................. 68

4.20.3 TRS Insertion....................................................................................................................... 69

4.20.4 Line Based CRC Insertion................................................................................................ 69

4.20.5 Line Number Insertion ....................................................................................................70

4.20.6 ANC Data Checksum Insertion ..................................................................................... 70

4.20.7 EDH CRC Insertion ............................................................................................................ 70

4.20.8 Illegal Word Re-mapping ............................................................................................... 71

4.20.9 TRS and Ancillary Data Preamble Remapping ....................................................... 71

4.20.10 Ancillary Data Extraction ............................................................................................. 71

4.21 Audio De-Embedder .................................................................................................................... 76

4.21.1 Serial Audio Data I/O Signals ........................................................................................ 77

4.21.2 Serial Audio Data Format Support.............................................................................. 78

4.21.3 Audio Processing .............................................................................................................. 83

4.21.4 Error Reporting .................................................................................................................. 90

4.22 GSPI - HOST Interface ................................................................................................................... 90

4.22.1 CS Pin..................................................................................................................................... 91

4.22.2 SDIN Pin................................................................................................................................ 91

4.22.3 SDOUT Pin ........................................................................................................................... 91

4.22.4 SCLK Pin................................................................................................................................ 93

4.22.5 Command Word Description........................................................................................ 93

4.22.6 GSPI Transaction Timing ................................................................................................ 96

4.22.7 Single Read/Write Access............................................................................................... 98

4.22.8 Auto-Increment Read/Write Access ........................................................................... 99

4.22.9 Setting a Device Unit Address.................................................................................... 101

4.22.10 Default GSPI Operation .............................................................................................. 102

4.23 JTAG Test Operation ..................................................................................................................103

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