HDMI Intel® FPGA IP User Guide

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ID 683798
Date 11/12/2021
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Document Table of Contents
Document Table of Contents x
1. HDMI Intel® FPGA IP Quick Reference 2. HDMI Overview 3. HDMI Intel® FPGA IP Getting Started 4. HDMI Hardware Design Examples 5. HDMI Source 6. HDMI Sink 7. HDMI Parameters 8. HDMI Simulation Example 9. HDMI Intel® FPGA IP User Guide Archives 10. Document Revision History for the HDMI Intel® FPGA IP User Guide
2. HDMI Overview x
2.1. Release Information 2.2. Device Family Support 2.3. Feature Support 2.4. Resource Utilization
3. HDMI Intel® FPGA IP Getting Started x
3.1. Installing and Licensing Intel® FPGA IP Cores 3.2. Specifying IP Parameters and Options
3.1. Installing and Licensing Intel® FPGA IP Cores x
3.1.1. Intel® FPGA IP Evaluation Mode
4. HDMI Hardware Design Examples x
4.1. HDMI Hardware Design Examples for Intel Arria 10, Intel Cyclone 10 GX, and Intel Stratix 10 Devices 4.2. HDCP Over HDMI Design Example for Intel® Arria® 10 and Intel® Stratix® 10 Devices 4.3. HDMI Hardware Design Examples for Arria V and Stratix V Devices
4.3. HDMI Hardware Design Examples for Arria V and Stratix V Devices x
4.3.1. HDMI Hardware Design Components 4.3.2. HDMI Hardware Design Requirements 4.3.3. Design Walkthrough
4.3.1. HDMI Hardware Design Components x
4.3.1.1. Transceiver Native PHY (RX) 4.3.1.2. PLL Intel FPGA IP Cores 4.3.1.3. PLL Reconfig Intel FPGA IP Core 4.3.1.4. Multirate Reconfig Controller (RX) 4.3.1.5. Oversampler (RX) 4.3.1.6. DCFIFO 4.3.1.7. Sink Display Data Channel (DDC) & Status and Control Data Channel (SCDC) 4.3.1.8. Transceiver Reconfiguration Controller 4.3.1.9. VIP Bypass and Audio, Auxiliary and InfoFrame Buffers 4.3.1.10. Transceiver Native PHY (TX) 4.3.1.11. Transceiver PHY Reset Controller 4.3.1.12. Oversampler (TX) 4.3.1.13. Clock Enable Generator 4.3.1.14. Platform Designer System
4.3.1.14. Platform Designer System x
4.3.1.14.1. VIP Passthrough for HDMI Video Stream 4.3.1.14.2. Source SCDC Controller 4.3.1.14.3. Source Reconfiguration Controller
4.3.3. Design Walkthrough x
4.3.3.1. Set Up the Hardware 4.3.3.2. Copy the Design Files 4.3.3.3. Build and Compile the Design 4.3.3.4. View the Results
4.3.3.4. View the Results x
4.3.3.4.1. Push Buttons, DIP Switches and LED Functions
5. HDMI Source x
5.1. Source Functional Description 5.2. Source Interfaces 5.3. Source Clock Tree 5.4. Link Training Procedure 5.5. FRL Clocking Scheme 5.6. Valid Video Data 5.7. Source Deep Color Implementation When Support FRL = 0 5.8. Source Deep Color Implementation When Support FRL = 1 5.9. Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM)
5.1. Source Functional Description x
5.1.1. Source Scrambler, TMDS/TERC4 Encoder 5.1.2. Source Video Resampler 5.1.3. Source Window of Opportunity Generator 5.1.4. Source Auxiliary Packet Encoder 5.1.5. Source Auxiliary Packet Generators 5.1.6. Source Auxiliary Data Path Multiplexers 5.1.7. Source Auxiliary Control Port 5.1.8. Source Audio Encoder 5.1.9. HDCP 1.4 TX Architecture 5.1.10. HDCP 2.3 TX Architecture 5.1.11. FRL Packetizer 5.1.12. FRL Character Block and Super Block Mapping 5.1.13. Reed-Solomon (RS) Forward Error Correction (FEC) Generation and Insertion 5.1.14. FRL Scrambler and Encoder 5.1.15. Source FRL Resampler 5.1.16. TX Oversampler 5.1.17. Clock Enable Generator 5.1.18. I2C Master
5.1.7. Source Auxiliary Control Port x
5.1.7.1. Source General Control Packet (GCP) 5.1.7.2. Source Auxiliary Video Information (AVI) InfoFrame Bit-Fields 5.1.7.3. Source HDMI Vendor Specific InfoFrame (VSI)
5.1.8. Source Audio Encoder x
5.1.8.1. Audio InfoFrame (AI) Bundle Bit-Fields 5.1.8.2. Audio Metadata Bundle Bit-Fields
6. HDMI Sink x
6.1. Sink Functional Description 6.2. Sink Interfaces 6.3. Sink Clock Tree 6.4. Link Training Procedure 6.5. Sink Deep Color Implementation When Support FRL = 0 6.6. Sink Deep Color Implementation When Support FRL = 1
6.1. Sink Functional Description x
6.1.1. Sink Word Alignment and Channel Deskew 6.1.2. Sink Descrambler, TMDS/TERC4 Decoder 6.1.3. Sink Auxiliary Decoder 6.1.4. Sink Auxiliary Packet Capture 6.1.5. Sink Video Resampler 6.1.6. Sink Auxiliary Data Port 6.1.7. Sink Audio Decoder 6.1.8. Status and Control Data Channel (SCDC) Interface 6.1.9. HDCP 1.4 RX Architecture 6.1.10. HDCP 2.3 RX Architecture 6.1.11. FRL Depacketizer 6.1.12. Sink FRL Character Block and Super Block Demapper 6.1.13. Sink FRL Descrambler and Decoder 6.1.14. Sink FRL Resampler 6.1.15. RX Oversampler 6.1.16. I2C Slave 6.1.17. I2C and EDID RAM Blocks 6.1.18. Variable Refresh Rate(VRR) and Auto Low Latency Mode (ALLM)
6.1.6. Sink Auxiliary Data Port x
6.1.6.1. Sink General Control Packet (GCP) 6.1.6.2. Sink Auxiliary Video Information (AVI) InfoFrame Bit-Fields 6.1.6.3. Sink HDMI Vendor Specific InfoFrame (VSI)
6.1.7. Sink Audio Decoder x
6.1.7.1. Audio InfoFrame (AI) Bundle Bit-Fields 6.1.7.2. Audio Metadata Bundle Bit-Fields
7. HDMI Parameters x
7.1. HDMI Source Parameters 7.2. HDMI Sink Parameters
8. HDMI Simulation Example x
8.1. Simulation Walkthrough
1. HDMI Intel® FPGA IP Quick Reference
2. HDMI Overview
3. HDMI Intel® FPGA IP Getting Started
4. HDMI Hardware Design Examples
5. HDMI Source
6. HDMI Sink
7. HDMI Parameters
8. HDMI Simulation Example
9. HDMI Intel® FPGA IP User Guide Archives
10. Document Revision History for the HDMI Intel® FPGA IP User Guide

4.3.1.12. Oversampler (TX)

The Oversampler (TX) transmits data by repeating each bit of the input word a given number of times and constructs the output words.

The oversampling factor is fixed at 5. The Oversampler (TX) assumes that the input word is only valid every 5 clock cycles. This block enables when the outgoing data stream is determined to be below the TX transceiver minimum link rate by reading once from the DCFIFO every 5 clock cycles.

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