Intel® Stratix® 10 High-Speed LVDS I/O User Guide

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ID 683792
Date 7/13/2021
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Document Table of Contents
Document Table of Contents x
1. Intel® Stratix® 10 High-Speed LVDS I/O Overview 2. Intel® Stratix® 10 High-Speed LVDS I/O Architecture and Features 3. Stratix 10 High-Speed LVDS I/O Design Considerations 4. Intel® Stratix® 10 High-Speed LVDS I/O Implementation Guides 5. LVDS SERDES Intel® FPGA IP References 6. Intel® Stratix® 10 High-Speed LVDS I/O User Guide Archives 7. Document Revision History for the Intel® Stratix® 10 High-Speed LVDS I/O User Guide
1. Intel® Stratix® 10 High-Speed LVDS I/O Overview x
1.1. Intel® Stratix® 10 LVDS SERDES Usage Modes 1.2. Intel® Stratix® 10 LVDS Channels Support 1.3. Intel® Stratix® 10 GPIO Banks, SERDES, and DPA Locations
2. Intel® Stratix® 10 High-Speed LVDS I/O Architecture and Features x
2.1. Intel® Stratix® 10 LVDS SERDES I/O Standards Support 2.2. LVDS Transmitter Programmable I/O Features 2.3. SERDES Circuitry 2.4. Differential Transmitter in Intel® Stratix® 10 Devices 2.5. Differential Receiver in Intel® Stratix® 10 Devices
2.2. LVDS Transmitter Programmable I/O Features x
2.2.1. Programmable Pre-Emphasis 2.2.2. Programmable Differential Output Voltage
2.4. Differential Transmitter in Intel® Stratix® 10 Devices x
2.4.1. Transmitter Blocks in Intel® Stratix® 10 Devices 2.4.2. Serializer Bypass for DDR and SDR Operations
2.5. Differential Receiver in Intel® Stratix® 10 Devices x
2.5.1. Receiver Blocks in Intel® Stratix® 10 Devices 2.5.2. Receiver Modes in Intel® Stratix® 10 Devices
2.5.1. Receiver Blocks in Intel® Stratix® 10 Devices x
2.5.1.1. DPA Block 2.5.1.2. Synchronizer 2.5.1.3. Data Realignment Block (Bit Slip) 2.5.1.4. Deserializer
2.5.2. Receiver Modes in Intel® Stratix® 10 Devices x
2.5.2.1. Non-DPA Mode 2.5.2.2. DPA Mode 2.5.2.3. Soft-CDR Mode
3. Stratix 10 High-Speed LVDS I/O Design Considerations x
3.1. PLLs and Clocking for Intel® Stratix® 10 Devices 3.2. Source-Synchronous Timing Budget 3.3. Guideline: LVDS SERDES IP Core Instantiation 3.4. Guideline: LVDS SERDES Pin Pairs for Soft-CDR Mode 3.5. Guideline: LVDS Transmitters and Receivers in the Same I/O Bank 3.6. Guideline: LVDS SERDES Limitation for Intel® Stratix® 10 GX 400, SX 400, and TX 400
3.1. PLLs and Clocking for Intel® Stratix® 10 Devices x
3.1.1. Clocking Differential Transmitters 3.1.2. Clocking Differential Receivers 3.1.3. Guideline: LVDS Reference Clock Source 3.1.4. Guideline: Use PLLs in Integer PLL Mode for LVDS 3.1.5. Guideline: Use High-Speed Clock from PLL to Clock LVDS SERDES Only 3.1.6. Guideline: Pin Placement for Differential Channels 3.1.7. LVDS Interface with External PLL Mode
3.1.6. Guideline: Pin Placement for Differential Channels x
3.1.6.1. PLLs Driving Differential Transmitter Channels 3.1.6.2. PLLs Driving DPA-Enabled Differential Receiver Channels 3.1.6.3. PLLs Driving DPA-Enabled Differential Receiver and Transmitter Channels in LVDS Interface Spanning Multiple I/O Banks
3.1.7. LVDS Interface with External PLL Mode x
3.1.7.1. IOPLL IP Core Signal Interface with LVDS SERDES IP Core 3.1.7.2. IOPLL Parameter Values for External PLL Mode 3.1.7.3. Connection between IOPLL IP Core and LVDS SERDES IP Core in External PLL Mode
3.2. Source-Synchronous Timing Budget x
3.2.1. Differential Data Orientation 3.2.2. Differential I/O Bit Position 3.2.3. Transmitter Channel-to-Channel Skew 3.2.4. Receiver Skew Margin for Non-DPA Mode
3.2.2. Differential I/O Bit Position x
3.2.2.1. Differential Bit Naming Conventions
3.2.4. Receiver Skew Margin for Non-DPA Mode x
3.2.4.1. RSKM Equation 3.2.4.2. Example: RSKM Calculation
3.5. Guideline: LVDS Transmitters and Receivers in the Same I/O Bank x
3.5.1. Using the Duplex Feature 3.5.2. Using an External PLL
4. Intel® Stratix® 10 High-Speed LVDS I/O Implementation Guides x
4.1. LVDS SERDES Intel® FPGA IP 4.2. LVDS SERDES IP Core Initialization and Reset 4.3. LVDS SERDES IP Core Timing 4.4. LVDS SERDES IP Core Design Examples 4.5. IP Migration Flow for Arria® V, Cyclone® V, and Stratix® V Devices
4.1. LVDS SERDES Intel® FPGA IP x
4.1.1. Release Information 4.1.2. LVDS SERDES IP Core Features 4.1.3. LVDS SERDES IP Core Functional Modes 4.1.4. LVDS SERDES IP Core Functional Description
4.1.4. LVDS SERDES IP Core Functional Description x
4.1.4.1. Serializer 4.1.4.2. DPA FIFO 4.1.4.3. Bitslip 4.1.4.4. Deserializer 4.1.4.5. Clock Phase Alignment
4.2. LVDS SERDES IP Core Initialization and Reset x
4.2.1. Initializing the LVDS SERDES IP Core in Non-DPA Mode 4.2.2. Initializing the LVDS SERDES IP Core in DPA Mode 4.2.3. Resetting the DPA 4.2.4. Word Boundaries Alignment
4.2.4. Word Boundaries Alignment x
4.2.4.1. Aligning Word Boundaries
4.3. LVDS SERDES IP Core Timing x
4.3.1. I/O Timing Analysis 4.3.2. FPGA Timing Analysis 4.3.3. Timing Analysis for the External PLL Mode 4.3.4. Timing Closure Guidelines for Internal FPGA Paths 4.3.5. Guideline: Use Clock Phase Alignment Block to Improve Timing Closure
4.3.1. I/O Timing Analysis x
4.3.1.1. Obtaining RSKM Report 4.3.1.2. Obtaining TCCS Report
4.4. LVDS SERDES IP Core Design Examples x
4.4.1. LVDS SERDES IP Core Synthesizable Intel® Quartus® Prime Design Examples 4.4.2. LVDS SERDES IP Core Simulation Design Example 4.4.3. Combined LVDS SERDES IP Core Transmitter and Receiver Design Example 4.4.4. LVDS SERDES IP Core Dynamic Phase Shift Design Example
4.5. IP Migration Flow for Arria® V, Cyclone® V, and Stratix® V Devices x
4.5.1. Migrating Your ALTLVDS_TX and ALTLVDS_RX IP Cores
5. LVDS SERDES Intel® FPGA IP References x
5.1. LVDS SERDES IP Core Parameter Settings 5.2. LVDS SERDES IP Core Signals 5.3. Comparison of LVDS SERDES Intel® FPGA IP with Stratix® V SERDES
5.1. LVDS SERDES IP Core Parameter Settings x
5.1.1. LVDS SERDES IP Core General Settings 5.1.2. LVDS SERDES IP Core PLL Settings 5.1.3. LVDS SERDES IP Core Receiver Settings 5.1.4. LVDS SERDES IP Core Transmitter Settings 5.1.5. LVDS SERDES IP Core Clock Resource Summary
5.1.3. LVDS SERDES IP Core Receiver Settings x
5.1.3.1. Receiver Input Clock Parameters Setup
5.1.4. LVDS SERDES IP Core Transmitter Settings x
5.1.4.1. Setting the Transmitter Output Clock Parameters
1. Intel® Stratix® 10 High-Speed LVDS I/O Overview
2. Intel® Stratix® 10 High-Speed LVDS I/O Architecture and Features
3. Stratix 10 High-Speed LVDS I/O Design Considerations
4. Intel® Stratix® 10 High-Speed LVDS I/O Implementation Guides
5. LVDS SERDES Intel® FPGA IP References
6. Intel® Stratix® 10 High-Speed LVDS I/O User Guide Archives
7. Document Revision History for the Intel® Stratix® 10 High-Speed LVDS I/O User Guide

3.5.1. Using the Duplex Feature

The Intel® Stratix® 10 device does not support PLL merging. However, the duplex feature allows placing transmitters and receivers in the same I/O bank. The duplex feature is a simpler option compared to using an external PLL.
  • To use the duplex feature, turn on the Duplex Feature option of the LVDS SERDES IP core.
  • The number of transmitter and receiver channels in the IP core instance is the same.
  • The limitation is that you can create only up to 11 transmitter and 11 receiver channels in each LVDS SERDES IP core instance.
  • The LVDS SERDES IP core sets up PLL sources for the transmitters and receivers in the IP core instance.
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