GTS JESD204C IP User Guide

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ID 813959
Date 12/09/2025
Public
Document Table of Contents
Document Table of Contents x
1. About the GTS JESD204C IP User Guide 2. Overview of the GTS JESD204C IP 3. Functional Description 4. Getting Started 5. Designing with the GTS JESD204C IP 6. GTS JESD204C IP Parameters 7. Interface Signals 8. Control and Status Registers 9. Document Revision History for the GTS JESD204C IP User Guide
2. Overview of the GTS JESD204C IP x
2.1. Release Information 2.2. Device Family Support 2.3. GTS JESD204C IP Features 2.4. Performance and Resource Utilization
3. Functional Description x
3.1. Clocks 3.2. Local Extended Multiblock Clock 3.3. CRC Encoding/Decoding 3.4. Scrambler/Descrambler
3.1. Clocks x
3.1.1. Device Clock 3.1.2. Frame Clock and Link Clock 3.1.3. GTS Reset Sequencer IP Clock
3.2. Local Extended Multiblock Clock x
3.2.1. LEMC Counter
4. Getting Started x
4.1. Installing and Licensing IP Cores 4.2. Altera® FPGA IP Evaluation Mode 4.3. IP Catalog and Parameter Editor 4.4. GTS JESD204C IP Component Files 4.5. Creating a New Quartus® Prime Project 4.6. Parameterizing and Generating the IP 4.7. Compiling the GTS JESD204C IP Design 4.8. Programming an FPGA Device
5. Designing with the GTS JESD204C IP x
5.1. Configuring the GTS Reset Sequencer IP 5.2. HVIO PLL Clocking Mode 5.3. Reset Initialization 5.4. Data Mapping Operation 5.5. Configuration Phase 5.6. Link Reinitialization 5.7. SYSREF Sampling 5.8. Interrupt and Error Handling 5.9. Multi-Device Synchronization 5.10. Deterministic Latency 5.11. Pin Assignments 5.12. Dual Simplex Support 5.13. Analog Parameter Settings 5.14. Transceiver Toolkit
5.3. Reset Initialization x
5.3.1. GTS JESD204C TX Reset Sequence 5.3.2. GTS JESD204C RX Reset Sequence
5.8. Interrupt and Error Handling x
5.8.1. Interrupt Configuration for TX and RX 5.8.2. Interrupt Top Half ISR Handler 5.8.3. Interrupt Bottom Half ISR Handler
5.9. Multi-Device Synchronization x
5.9.1. Multi-Device DAC Application for Subclass 1 5.9.2. Multi-Device ADC Application for Subclass 1
5.10. Deterministic Latency x
5.10.1. RBD Tuning Mechanism
7. Interface Signals x
7.1. Transmitter Signals 7.2. Receiver Signals
8. Control and Status Registers x
8.1. Transmitter Registers 8.2. Receiver Registers
1. About the GTS JESD204C IP User Guide
2. Overview of the GTS JESD204C IP
3. Functional Description
4. Getting Started
5. Designing with the GTS JESD204C IP
6. GTS JESD204C IP Parameters
7. Interface Signals
8. Control and Status Registers
9. Document Revision History for the GTS JESD204C IP User Guide

5.10.1. RBD Tuning Mechanism

The following figures focus on the RBD tuning mechanism and how RBD count and RBD offset are used to tune the deterministic latency.

Figure 16. RBD Tuning
Figure 17. RBD Tuning (Power Cycle Variation)
Figure 18. RBD Tuning (Utilizing RBD Offset for Early Release)
Figure 19. RBD Tuning (LEMC Slip)
Figure 20. RBD Tuning (LEMC Slip, if RBD Tuning Using RBD Offset is Not Used)
Figure 21. RBD Tuning (RBD Offset Tuning Legal Range)
Figure 22. RBD Tuning (RBD Tuning when RBD Count Arrival Shifts Before and After LEMC in Multi-Reset)
Figure 23. RBD Tuning (RBD Offset Tuning - Legal Range)
Figure 24. RBD Tuning (RBD Offset Tuning using RBD Offset - Legal Range)

The following figure shows the RBD tuning in actual numerical representative used in the GTS JESD204C RX IP core.

Figure 25. RBD Tuning (RBD Offset using Numerical Representative for LEMC = 31 Down to 0)
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