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Designing with Multi-Gigabit Serial I/O

Release Date:
June 2015
Level:
Connectivity 3
Duration:
3 days

Key Documentation

Audience

FPGA designers and logic designers

Prerequisites

  • Verilog or VHDL experience or the Designing with Verilog or Designing with VHDL course
  • Familiarity with logic design (state machines and synchronous design)
  • Basic knowledge of FPGA architecture and Xilinx implementation tools is helpful
  • Familiarity with serial I/O basics and high-speed serial I/O standards is also helpful

Register

For class schedules as well as tuition and registration information, please contact one of our Authorized Training Providers.

Course Description

Learn how to employ serial transceivers in your 7 series FPGA design. Understand and utilize the features of the serial transceiver blocks, such as 8B/10B and 64B/66B encoding, channel bonding, clock correction, and comma detection. Additional topics include use of the 7 Series FPGAs Transceiver Wizard, synthesis and implementation considerations, board design as it relates to the transceivers, and test and debugging. This course combines lectures with practical hands-on labs.

Software Tools

  • Vivado® System Edition 2015.1
  • Mentor Graphics QuestaSim simulator 10.3d

Hardware

  • Architecture: 7 series FPGAs*
  • Demo board: Kintex®-7 FPGA KC705 board*

* This course focuses on the Kintex-7 architecture. Check with your local Authorized Training Provider for the specifics of the in-class lab board or other customizations

Skills Gained

After completing this comprehensive training, you will know how to:

  • Describe and utilize the ports and attributes of the serial transceiver in 7 series FPGAs
  • Effectively utilize the following features of the gigabit transceivers:
    • 8B/10B and other encoding/decoding, comma detection, clock correction, and channel bonding
    • Pre-emphasis and linear equalization
  • Use the 7 Series FPGAs Transceivers Wizard to instantiate GT primitives in a design
  • Access appropriate reference material for board design issues involving the power supply, reference clocking, and trace design

Course Outline

Lab Lecture Demo

Day 1

  1. 1.1
    7 Series FPGAs Overview
  2. 1.2
    7 Series FPGAs Transceivers Overview
  3. 1.3
    7 Series FPGAs Transceivers Clocking and Resets
  4. 1.4
    8B/10B Encoder and Decoder
  5. 1.5
    Lab 1: 8B/10B Encoding and Bypass Utilize the 8B/10B encoder and decoder and observe running disparity. Learn how to bypass the 8B/10B encoder and decoder.
  6. 1.6
    Commas and Deserializer Alignment
  7. 1.7
    Lab 2: Commas and Data Alignment Use programmable comma detection to align a serial data stream.

Day 2

  1. 2.1
    RX Elastic Buffer and Clock Correction
  2. 2.2
    Lab 3: Clock Correction Utilize the attributes and ports associated with clock correction to compensate for frequency differences on the TX and RX clocks.
  3. 2.3
    Channel Bonding
  4. 2.4
    Lab 4: Channel Bonding Modify a design to use two transceivers bonded together to form one virtual channel.
  5. 2.5
    Transceiver Wizard Overview
  6. 2.6
    Lab 5: Transceiver Core Generation Use the 7 Series FPGAs Transceivers Wizard to create instantiation templates.
  7. 2.7
    Lab 6: Simulation Simulate the transceiver IP using the IP example design.
  8. 2.8
    Transceiver Implementation
  9. 2.9
    Lab 7: Implementation Implement the transceiver IP using the IP example design.
  10. 2.10
    Physical Media Attachments

Day 3

  1. 3.1
    64B/66B Encoding and the Gearbox Implement the transceiver IP using the IP example design.
  2. 3.2
    Lab 8: 64B/66B Encoding Generate a 64B/66B core by using the 7 Series FPGAs Transceivers Wizard, simulate the design, and analyze the results.
  3. 3.3
    Transceiver Board Design Considerations
  4. 3.4
    Transceiver Test and Debugging
  5. 3.5
    Lab 9: Transceiver Debugging Debug the transceiver IP using the IP example design and Vivado debug cores.
  6. 3.6.1
    Lab 10: IBERT Lab Create an IBERT design to verify physical links. (Choose Lab 10 or 11.)
  7. 3.6.2
    Lab 11: System Lab Perform all design steps from planning the design, generating the core, integrating the core into a design, simulating, implementing and debugging the design, and optimizing the link parameter using an evaluation board. (Choose Lab 10 or 11.)
  8. 3.7
    Transceiver Application Examples
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