HDMI Intel® Stratix® 10 FPGA IP Design Example User Guide

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ID 683701
Date 1/26/2024
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Document Table of Contents
Document Table of Contents x
1. HDMI Intel® FPGA IP Design Example Quick Start Guide for Intel® Stratix® 10 Devices 2. HDMI 2.1 Design Example (Support FRL = 1) 3. HDMI 2.0 Design Example 4. HDCP Over HDMI 2.0/2.1 Design Example 5. HDMI Intel® Stratix® 10 FPGA IP Design Example User Guide Archives 6. Document Revision History for the HDMI Intel® Stratix® 10 FPGA IP Design Example User Guide
1. HDMI Intel® FPGA IP Design Example Quick Start Guide for Intel® Stratix® 10 Devices x
1.1. Directory Structure 1.2. Generating the Design 1.3. Hardware and Software Requirements 1.4. Simulating the Design 1.5. Compiling and Testing the Design 1.6. Design Limitation 1.7. HDMI Intel® FPGA IP Design Example Parameters
2. HDMI 2.1 Design Example (Support FRL = 1) x
2.1. HDMI 2.1 RX-TX Retransmit Design Block Diagram 2.2. Creating RX-Only or TX-Only Designs 2.3. Hardware and Software Requirements 2.4. Directory Structure 2.5. Design Components 2.6. Dynamic Range and Mastering (HDR) InfoFrame Insertion and Filtering 2.7. Design Software Flow 2.8. Running the Design in Different FRL Rates 2.9. Clocking Scheme 2.10. Interface Signals 2.11. Design RTL Parameters 2.12. Hardware Setup 2.13. Simulation Testbench 2.14. Design Limitations 2.15. Debugging Features
2.5. Design Components x
2.5.1. HDMI TX Components 2.5.2. HDMI RX Components 2.5.3. Top-Level Common Blocks
2.15. Debugging Features x
2.15.1. Software Debugging Message 2.15.2. SCDC Information from the Sink Connected to TX 2.15.3. Clock Frequency Measurement
3. HDMI 2.0 Design Example x
3.1. HDMI RX-TX Retransmit Design Block Diagram 3.2. Creating TX or RX Only Designs 3.3. Design Components 3.4. Dynamic Range and Mastering (HDR) InfoFrame Insertion and Filtering 3.5. Clocking Scheme 3.6. Interface Signals 3.7. Design RTL Parameters 3.8. Hardware Setup 3.9. Simulation Testbench 3.10. Upgrading Your Design
4. HDCP Over HDMI 2.0/2.1 Design Example x
4.1. High-bandwidth Digital Content Protection (HDCP) 4.2. Nios II Processor Software Flow 4.3. Design Walkthrough 4.4. Protection of Encryption Key Embedded in FPGA Design 4.5. Security Considerations 4.6. Debug Guidelines
4.1. High-bandwidth Digital Content Protection (HDCP) x
4.1.1. HDCP Over HDMI Design Example Architecture
4.3. Design Walkthrough x
4.3.1. Set Up the Hardware 4.3.2. Generate the Design 4.3.3. Include HDCP Production Keys 4.3.4. Compile the Design 4.3.5. View the Results
4.3.3. Include HDCP Production Keys x
4.3.3.1. Store plain HDCP production keys in the FPGA (Support HDCP Key Management = 0) 4.3.3.2. Store encrypted HDCP production keys in the external flash memory or EEPROM (Support HDCP Key Management = 1)
4.3.3.1. Store plain HDCP production keys in the FPGA (Support HDCP Key Management = 0) x
4.3.3.1.1. HDCP Key Mapping from DCP Key Files 4.3.3.1.2. hdcp1x_tx_kmem.v and hdcp1x_rx_kmem.v files 4.3.3.1.3. hdcp2x_rx_kmem.v file 4.3.3.1.4. hdcp2x_tx_kmem.v file
4.3.3.2. Store encrypted HDCP production keys in the external flash memory or EEPROM (Support HDCP Key Management = 1) x
4.3.3.2.1. Intel KEYENC 4.3.3.2.2. Key Programmer
4.3.5. View the Results x
4.3.5.1. Push Buttons and LED Functions
4.6. Debug Guidelines x
4.6.1. HDCP Status Signals 4.6.2. Modifying HDCP Software Parameters 4.6.3. Frequently Asked Questions (FAQ)
1. HDMI Intel® FPGA IP Design Example Quick Start Guide for Intel® Stratix® 10 Devices
2. HDMI 2.1 Design Example (Support FRL = 1)
3. HDMI 2.0 Design Example
4. HDCP Over HDMI 2.0/2.1 Design Example
5. HDMI Intel® Stratix® 10 FPGA IP Design Example User Guide Archives
6. Document Revision History for the HDMI Intel® Stratix® 10 FPGA IP Design Example User Guide

2.15.3. Clock Frequency Measurement

Use this feature to check the frequency for the different clocks.
  1. In the hdmi_rx_top and hdmi_tx_top files, uncomment “//`define DEBUG_EN 1”.
  2. Add the refclock_measure signal from each mr_rate_detect instance to the Signal Tap Logic Analyzer to get the clock frequency of each clock (in 10 ms duration).
  3. Compile the design with Signal Tap Logic Analyzer.
  4. Program the SOF file and run the Signal Tap Logic Analyzer.
Table 29.  Clocks
Module mr_rate_detect Instance Clock to be Measured
hdmi_rx_top rx_pll_tmds RX CDR reference clock 0
rx_clk0_freq RX transceiver clock out from channel 0
rx_vid_clk_freq RX video clock
rx_frl_clk_freq RX FRL clock
rx_hsync_freq Hsync frequency of the received video frame
hdmi_tx_top tx_clk0_freq TX transceiver clock out from channel 0
vid_clk_freq TX video clock
frl_clk_freq TX FRL clock
tx_hsync_freq Hsync frequency of the video frame to be transmitted

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