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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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6.3.1. rx_format
The format represents only the video transport format; not the picture format. For example, when the core transports 1080p50 video on HD-SDI dual link, the video transport format is 1080i50.
Encoding Value | SMPTE Standard | Active Lines Per Frame | Transport Format | Frame Rate |
---|---|---|---|---|
0000 | SMPTE ST 259 | 486 | I | 29.97 |
0001 | SMPTE ST 259 | 576 | I | 25 |
0100 | SMPTE ST 274 | 1080 | I | 30/29.97/60/59.949 |
0101 | SMPTE ST 274 | 1080 | I | 25/5010 |
0110 | SMPTE ST 274 | 1080 | P | 24/23.98 |
0111 | SMPTE ST 296 | 720 | P | 60/59.94 |
1000 | SMPTE ST 296 | 720 | P | 50 |
1001 | SMPTE ST 296 | 720 | P | 30/29.97 |
1010 | SMPTE ST 296 | 720 | P | 25 |
1011 | SMPTE ST 296 | 720 | P | 24/23.98 |
1100 | SMPTE ST 274 | 1080 | P | 30/29.97/60/59.94 |
1101 | SMPTE ST 274 | 1080 | P | 25/50 |
1110 | SMPTE ST 274 | 1080 | I | 24 |
1111 | Undetectable format, revert to default value | |||
Others | Reserved |
To differentiate video format with 1 and 1/1.001 rate, refer to the rx_clkout_is_ntsc_paln output signal. For example, if rx_format = 0100, rx_clkout_is_ntsc_paln = 1, then the format for the received video is 1080i59.94. Otherwise, it is 1080i60.
To differentiate between video format across HD-SDI and 3G-SDI interfaces, also refer to the rx_std output signal. For example, if rx_format = 1100 and rx_clkout_is_ntsc_paln = 0, rx_std = 01, then the received video format is 1080p30. If the rx_std = 11 or 10, then the received video format is 1080p60.
Note: Intel recommends that you refer to the Payload ID to get the most accurate video format details.
For 6G-SDI or 12G-SDI interfaces, each of the 20-bit interface reports its own detected format. For example, rx_format of all four 20-bit interfaces report 1100 (1080p60) when receiving 2160p60 in 12G-SDI, whereas only the lower two interfaces report valid rx_format in 6G-SDI.
SDI Interface | rx_format | |||
---|---|---|---|---|
[15:11] | [11:8] | [7:4] | [3:0] | |
12G-SDI | 1100 | 1100 | 1100 | 1100 |
6G-SDI | Not valid | Not valid | 1100 | 1100 |
9 Frame rates 60 and 59.94 are meant for 3G Level B/HD Dual Link when receiving 1080p60/59.94 format.
10 Frame rate 50 is meant for 3G Level B/HD Dual Link when receiving 1080p50 format.