LVDS SERDES User Guide: Agilex™ 3 FPGAs and SoCs

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ID 847420
Date 4/07/2025
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Document Table of Contents
Document Table of Contents x
1. Agilex™ 3 LVDS SERDES Overview 2. Agilex™ 3 LVDS SERDES Architecture 3. Agilex™ 3 LVDS SERDES Transmitter 4. Agilex™ 3 LVDS SERDES Receiver 5. Agilex™ 3 High-Speed LVDS I/O Implementation Guide 6. Agilex™ 3 LVDS SERDES Timing 7. LVDS SERDES FPGA IP Design Examples 8. Agilex™ 3 LVDS SERDES Design Guidelines 9. Agilex™ 3 LVDS SERDES Troubleshooting Guidelines 10. Document Revision History for the LVDS SERDES User Guide: Agilex™ 3 FPGAs and SoCs
1. Agilex™ 3 LVDS SERDES Overview x
1.1. LVDS SERDES Usage Modes
2. Agilex™ 3 LVDS SERDES Architecture x
2.1. Agilex™ 3 HSIO Banks, SERDES, and DPA Locations 2.2. SERDES Blocks, Modes, and Clock Domains
3. Agilex™ 3 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
3.3. Clocking the Differential Transmitters x
3.3.1. Transmitter Output Clock Parameters Settings
3.3.1. Transmitter Output Clock Parameters Settings x
3.3.1.1. Edge-Aligned tx_outclock to tx_out 3.3.1.2. Center-Aligned tx_outclock to tx_out
4. Agilex™ 3 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™ 3 High-Speed LVDS I/O Implementation Guide x
5.1. LVDS SERDES FPGA IP 5.2. LVDS Interface with External PLL Mode 5.3. LVDS SERDES IP Initialization and Reset
5.1. LVDS SERDES FPGA IP x
5.1.1. Release Information 5.1.2. LVDS SERDES 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 FPGA IP 5.1.6. LVDS SERDES FPGA IP Parameter Settings 5.1.7. LVDS SERDES FPGA IP Signals
5.1.5. Generating the LVDS SERDES FPGA IP x
5.1.5.1. IP Generation Output
5.1.6. LVDS SERDES FPGA IP Parameter Settings x
5.1.6.1. LVDS SERDES FPGA IP General Settings 5.1.6.2. LVDS SERDES FPGA IP Pin Settings 5.1.6.3. LVDS SERDES FPGA IP PLL Settings 5.1.6.4. LVDS SERDES FPGA IP Receiver Settings 5.1.6.5. LVDS SERDES FPGA IP Transmitter Settings 5.1.6.6. LVDS SERDES FPGA IP Clock Resource Summary
5.1.6.2. LVDS SERDES 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™ 3 LVDS SERDES Timing x
6.1. LVDS SERDES FPGA IP Timing 6.2. LVDS SERDES Source-Synchronous Timing Budget
6.1. LVDS SERDES 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 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™ 3 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 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™ 3 LVDS SERDES Overview
2. Agilex™ 3 LVDS SERDES Architecture
3. Agilex™ 3 LVDS SERDES Transmitter
4. Agilex™ 3 LVDS SERDES Receiver
5. Agilex™ 3 High-Speed LVDS I/O Implementation Guide
6. Agilex™ 3 LVDS SERDES Timing
7. LVDS SERDES FPGA IP Design Examples
8. Agilex™ 3 LVDS SERDES Design Guidelines
9. Agilex™ 3 LVDS SERDES Troubleshooting Guidelines
10. Document Revision History for the LVDS SERDES User Guide: Agilex™ 3 FPGAs and SoCs

8.6. Sharing LVDS SERDES I/O Lane with Other IPs

If you use the LVDS SERDES FPGA IP in an I/O lane, you can use remaining pins of the lane only for the GPIO FPGA IP. You can also place a pin in the same I/O lane without using the GPIO IP. However, you cannot mix the LVDS SERDES IP with the PHY Lite for Parallel Interfaces Intel® FPGA IP or the External Memory Interfaces (EMIF) IP in the same I/O lane.
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