Intel Agilex® 7 LVDS SERDES User Guide: M-Series

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ID 768615
Date 11/28/2023
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Document Table of Contents
Document Table of Contents x
1. Intel Agilex® 7 M-Series LVDS SERDES Overview 2. Intel Agilex® 7 M-Series LVDS SERDES Architecture 3. Intel Agilex® 7 M-Series LVDS SERDES Transmitter 4. Intel Agilex® 7 M-Series LVDS SERDES Receiver 5. Intel Agilex® 7 M-Series High-Speed LVDS I/O Implementation Guide 6. Intel Agilex® 7 M-Series LVDS SERDES Timing 7. LVDS SERDES Intel® FPGA IP Design Examples 8. Intel Agilex® 7 M-Series LVDS SERDES Design Guidelines 9. Intel Agilex® 7 M-Series LVDS SERDES Troubleshooting Guidelines 10. Documentation Related to the Intel Agilex® 7 LVDS SERDES User Guide: M-Series 11. Document Revision History for the Intel Agilex® 7 LVDS SERDES User Guide: M-Series
1. Intel Agilex® 7 M-Series LVDS SERDES Overview x
1.1. LVDS SERDES Usage Modes
2. Intel Agilex® 7 M-Series LVDS SERDES Architecture x
2.1. Intel Agilex® 7 GPIO-B Banks, SERDES, and DPA Locations 2.2. SERDES Blocks, Modes, and Clock Domains
3. Intel Agilex® 7 M-Series 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. Intel Agilex® 7 M-Series 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
4.2.1. Receiver Input Clock Parameters Settings 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. Intel Agilex® 7 M-Series 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 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. GPIO-B 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. Intel Agilex® 7 M-Series 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 Intel® Quartus® Prime Design Examples 7.2. LVDS SERDES IP Simulation Design Example
8. Intel Agilex® 7 M-Series LVDS SERDES Design Guidelines x
8.1. Use PLLs in Integer PLL Mode for LVDS 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 Transmitters and Receivers in the Same GPIO-B Sub-Bank 8.6. VCCIO_PIO Power Scheme for LVDS SERDES
8.3. Pin Placement for Differential Channels x
8.3.1. I/O PLLs Driving LVDS Transmitter and Receiver Channels 8.3.2. Placement Restrictions for True Differential and Single-Ended I/O Standards in the Same or Adjacent GPIO-B Bank
1. Intel Agilex® 7 M-Series LVDS SERDES Overview
2. Intel Agilex® 7 M-Series LVDS SERDES Architecture
3. Intel Agilex® 7 M-Series LVDS SERDES Transmitter
4. Intel Agilex® 7 M-Series LVDS SERDES Receiver
5. Intel Agilex® 7 M-Series High-Speed LVDS I/O Implementation Guide
6. Intel Agilex® 7 M-Series LVDS SERDES Timing
7. LVDS SERDES Intel® FPGA IP Design Examples
8. Intel Agilex® 7 M-Series LVDS SERDES Design Guidelines
9. Intel Agilex® 7 M-Series LVDS SERDES Troubleshooting Guidelines
10. Documentation Related to the Intel Agilex® 7 LVDS SERDES User Guide: M-Series
11. Document Revision History for the Intel Agilex® 7 LVDS SERDES User Guide: M-Series

3.1. LVDS SERDES Transmitter Blocks

In the M-Series LVDS SERDES transmitter, the serializer receives up to 8 bits 0 wide parallel data from the FPGA fabric.
Figure 3. LVDS SERDES Transmitter


  • The serializer clocks the data into the registers and serializes the data using a multiplexer.
  • The I/O PLL that drives the data to the differential buffer clocks the shift registers.
  • The multiplexer transmits the MSB of the parallel data first.
Note: The PLL that drives the SERDES channel must operate in integer PLL mode.
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