LVDS SERDES User Guide: Agilex™ 5 FPGAs and SoCs

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ID 813929
Date 4/08/2024
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Document Table of Contents
Document Table of Contents x
1. Agilex™ 5 LVDS SERDES Overview 2. Agilex™ 5 LVDS SERDES Architecture 3. Agilex™ 5 LVDS SERDES Transmitter 4. Agilex™ 5 LVDS SERDES Receiver 5. Agilex™ 5 High-Speed LVDS I/O Implementation Guide 6. Agilex™ 5 LVDS SERDES Timing 7. LVDS SERDES Intel® FPGA IP Design Examples 8. Agilex™ 5 LVDS SERDES Design Guidelines 9. Agilex™ 5 LVDS SERDES Troubleshooting Guidelines 10. Document Revision History for the LVDS SERDES User Guide: Agilex™ 5 FPGAs and SoCs
1. Agilex™ 5 LVDS SERDES Overview x
1.1. LVDS SERDES Usage Modes
2. Agilex™ 5 LVDS SERDES Architecture x
2.1. Agilex™ 5 HSIO Banks, SERDES, and DPA Locations 2.2. SERDES Blocks, Modes, and Clock Domains
3. Agilex™ 5 LVDS SERDES Transmitter x
3.1. LVDS SERDES Transmitter Blocks 3.2. Serializer 3.3. Clocking the Differential Transmitters
3.2. Serializer x
3.2.1. Serializer Bypass for DDR and SDR Operations 3.2.2. Differential I/O Bit Position
4. Agilex™ 5 LVDS SERDES Receiver x
4.1. LVDS SERDES Receiver Blocks 4.2. Clocking the LVDS SERDES Receivers 4.3. LVDS SERDES Receiver Modes
4.1. LVDS SERDES Receiver Blocks x
4.1.1. Dynamic Phase Alignment Block 4.1.2. Synchronizer (DPA FIFO) 4.1.3. Data Realignment Block (Bit Slip) 4.1.4. Deserializer
4.2. Clocking the LVDS SERDES Receivers x
4.2.1. Receiver Input Clock Parameters Settings for Non-DPA Mode
4.2.1. Receiver Input Clock Parameters Settings for Non-DPA Mode x
4.2.1.1. Edge-Aligned inclock to rx_in 4.2.1.2. Center-Aligned inclock to rx_in
4.3. LVDS SERDES Receiver Modes x
4.3.1. Non-DPA Mode 4.3.2. DPA Mode 4.3.3. Soft-CDR Mode
5. Agilex™ 5 High-Speed LVDS I/O Implementation Guide x
5.1. LVDS SERDES Intel® FPGA IP 5.2. LVDS Interface with External PLL Mode 5.3. LVDS SERDES IP Initialization and Reset
5.1. LVDS SERDES Intel® FPGA IP x
5.1.1. Release Information 5.1.2. LVDS SERDES Intel® FPGA IP Features 5.1.3. LVDS SERDES IP Usage Modes 5.1.4. Planning the LVDS SERDES Interface 5.1.5. Generating the LVDS SERDES Intel® FPGA IP 5.1.6. LVDS SERDES Intel® FPGA IP Parameter Settings 5.1.7. LVDS SERDES Intel® FPGA IP Signals
5.1.5. Generating the LVDS SERDES Intel® FPGA IP x
5.1.5.1. Intel® FPGA IP Generation Output
5.1.6. LVDS SERDES Intel® FPGA IP Parameter Settings x
5.1.6.1. LVDS SERDES Intel® FPGA IP General Settings 5.1.6.2. LVDS SERDES Intel® FPGA IP Pin Settings 5.1.6.3. LVDS SERDES Intel® FPGA IP PLL Settings 5.1.6.4. LVDS SERDES Intel® FPGA IP Receiver Settings 5.1.6.5. LVDS SERDES Intel® FPGA IP Clock Resource Summary
5.1.6.2. LVDS SERDES Intel® FPGA IP Pin Settings x
5.1.6.2.1. HSIO Pin Index Number and Respective Channel Pin Selection 5.1.6.2.2. Placing Channel Bytes in I/O Lanes 5.1.6.2.3. Locating the I/O Lane and Channel Pin through the Interface Planner
5.2. LVDS Interface with External PLL Mode x
5.2.1. IOPLL IP Signal Interface with LVDS SERDES IP 5.2.2. IOPLL Parameter Values for External PLL Mode 5.2.3. Connection between IOPLL IP and LVDS SERDES IP in External PLL Mode
5.3. LVDS SERDES IP Initialization and Reset x
5.3.1. Initializing the LVDS SERDES IP in Non-DPA Mode 5.3.2. Initializing the LVDS SERDES IP in DPA Mode 5.3.3. Resetting the DPA 5.3.4. Word Boundaries Alignment
5.3.4. Word Boundaries Alignment x
5.3.4.1. Aligning Word Boundaries
6. Agilex™ 5 LVDS SERDES Timing x
6.1. LVDS SERDES Intel® FPGA IP Timing 6.2. LVDS SERDES Source-Synchronous Timing Budget
6.1. LVDS SERDES Intel® FPGA IP Timing x
6.1.1. I/O Timing Analysis 6.1.2. FPGA Timing Analysis 6.1.3. Timing Analysis for the External PLL Mode
6.1.1. I/O Timing Analysis x
6.1.1.1. Obtaining RSKM Report 6.1.1.2. Obtaining TCCS Report
6.2. LVDS SERDES Source-Synchronous Timing Budget x
6.2.1. Transmitter Channel-to-Channel Skew 6.2.2. Receiver Skew Margin
7. LVDS SERDES Intel® FPGA IP Design Examples x
7.1. LVDS SERDES IP Synthesizable Quartus® Prime Design Examples 7.2. LVDS SERDES IP Simulation Design Example
8. Agilex™ 5 LVDS SERDES Design Guidelines x
8.1. Use PLLs in Integer PLL Mode for LVDS SERDES 8.2. Use High-Speed Clock from PLL to Clock SERDES Only 8.3. Pin Placement for Differential Channels 8.4. SERDES Pin Pairs for Soft-CDR Mode 8.5. Placing LVDS SERDES Transmitters and Receivers with External PLL 8.6. Sharing LVDS SERDES I/O Lane with Other Intel® FPGA IPs
8.3. Pin Placement for Differential Channels x
8.3.1. I/O PLLs Driving LVDS SERDES Transmitter and Receiver Channels 8.3.2. Placement Restrictions for True Differential and Single-Ended I/O Standards in the Same or Adjacent HSIO Bank
1. Agilex™ 5 LVDS SERDES Overview
2. Agilex™ 5 LVDS SERDES Architecture
3. Agilex™ 5 LVDS SERDES Transmitter
4. Agilex™ 5 LVDS SERDES Receiver
5. Agilex™ 5 High-Speed LVDS I/O Implementation Guide
6. Agilex™ 5 LVDS SERDES Timing
7. LVDS SERDES Intel® FPGA IP Design Examples
8. Agilex™ 5 LVDS SERDES Design Guidelines
9. Agilex™ 5 LVDS SERDES Troubleshooting Guidelines
10. Document Revision History for the LVDS SERDES User Guide: Agilex™ 5 FPGAs and SoCs

5.2.3. Connection between IOPLL IP and LVDS SERDES IP in External PLL Mode

Figure 26. Non-DPA or DPA LVDS SERDES Receiver Interface with the IOPLL IP without LVDS SERDES Transmitter in the Same Sub-Bank


Figure 27. Non-DPA or DPA LVDS SERDES Receiver Interface with the IOPLL IP with LVDS SERDES Transmitter in the Same Sub-Bank


Figure 28. Soft-CDR LVDS SERDES Receiver Interface with the IOPLL IP without LVDS SERDES Transmitter in the Same Sub-Bank


Figure 29. Soft-CDR LVDS SERDES Receiver Interface with the IOPLL IP with LVDS SERDES Transmitter in the Same Sub-Bank


Figure 30. LVDS SERDES Transmitter Interface with the IOPLL IP


In the external PLL mode, the LVDS SERDES IP automatically turns on the ext_pll_1_outclock2 port. If you do not connect the ext_pll_1_outclock2 port as shown in the preceding figures, the Quartus® Prime compiler outputs error messages.

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