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1. SDI II Intel® FPGA IP Quick Reference
2. SDI II IP Core Overview
3. SDI II IP Core Getting Started
4. SDI II IP Core Parameters
5. SDI II IP Core Functional Description
6. SDI II IP Core Signals
7. SDI II IP Core Design Considerations
8. SDI II IP Core Testbench and Design Examples
9. SDI II Intel® FPGA IP User Guide Archives
10. Document Revision History for the SDI II Intel® FPGA IP User Guide
5.3.1. Insert Line
5.3.2. Insert/Check CRC
5.3.3. Insert Payload ID
5.3.4. Match TRS
5.3.5. Scrambler
5.3.6. TX Sample
5.3.7. Clock Enable Generator
5.3.8. RX Sample
5.3.9. Detect Video Standard
5.3.10. Detect 1 and 1/1.001 Rates
5.3.11. Transceiver Controller
5.3.12. Descrambler
5.3.13. TRS Aligner
5.3.14. 3Gb Demux
5.3.15. Extract Line
5.3.16. Extract Payload ID
5.3.17. Detect Format
5.3.18. Sync Streams
5.3.19. Convert SD Bits
5.3.20. Insert Sync Bits
5.3.21. Remove Sync Bits
5.4.1. HD-SDI Dual Link to 3G-SDI (Level B) Conversion
5.4.2. 3G-SDI (Level B) to HD-SDI Dual Link Conversion
5.4.3. SMPTE RP168 Switching Support
5.4.4. SD 20-Bit Interface for Dual/Triple Rate
5.4.5. Dynamic TX Clock Switching for Arria V, Cyclone V, and Stratix V Devices
5.4.6. Intel FPGA Video Streaming Interface
7.1.2.1. Changing RX CDR Reference Clock in Transceiver Native PHY IP Core
7.1.2.2. Merging Simplex Mode Transceiver in the Same Channel
7.1.2.3. Using Generated Reconfiguration Management for Triple and Multi Rates
7.1.2.4. Ensuring Independent RX and TX Operations in the Same Channel
7.1.2.5. Potential Routing Problem During Fitter Stage in Intel® Arria® 10 and Intel® Cyclone® 10 GX Devices
7.1.2.6. Unconstrained Clocks in SDI Multi-Rate RX Using Intel® Arria® 10 and Intel® Cyclone® 10 GX Devices
7.1.2.7. Unused Transceiver Channels
7.1.2.8. Routing Transceiver Reference Clock Pins to Core Logic in Intel® Stratix® 10 Devices
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5.4.4. SD 20-Bit Interface for Dual/Triple Rate
For a common SD interface, the serial data format is 10 bits wide, whereas for HD or 3G, the data format is 20 bits wide, divided into two parallel 10-bit datastreams (known as Y and C).
To make the interface bit width common for all standards in the dual-rate or triple-rate SDI mode:
- The receiver can extract the data and align them in 20-bit width
- The transmitter can accept SD data in 20-bit width and retransmit them successfully
The timing diagrams below show a comparison of data arrangement between 10-bit and 20-bit interface.
Figure 29. SD 10-Bit Interface
- The upper 10 bits of rx_dataout are insignificant data.
- The lower 10 bits of rx_dataout are Luma (Y) and chroma (Cb, Cr) channels (interleaved).
- The 1H 4L 1H 5L cadence of rx_dataout_valid repeats indefinitely (ideal).
Figure 30. SD 20-Bit Interface
- The upper 10 bits of rx_dataout are Luma (Y) channel and the lower 10 bits are Chroma (Cb, Cr) channel.
- The 1H 10L cadence of rx_dataout_valid repeats indefinitely (ideal).