Thursday 16 August 2018

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Xilinx - Designing with Multi-Gigabit Serial I/O

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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.

Training Duration

3 days

Who Should Attend?

FPGA designers and logic designers

Prerequisites

  • Verilog or VHDL experience (or Comprehensive Verilog or Comprehensive 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

Software Tools

  • Vivado┬« System Edition 2014.1
  • Mentor Graphics ModelSim simulator 10.2

Hardware

  • Architecture: 7 series FPGAs*
  • Demo board: Kintex®-7 FPGA KC705 board*
* This course focuses on the Kintex-7 architecture. Please contact Doulos 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

Day 1

  • 7 Series FPGAs Overview
  • 7 Series FPGAs Transceivers Overview
  • 7 Series FPGAs Transceivers Clocking and Resets
  • 8B/10B Encoder and Decoder
  • Lab 1: 8B/10B Encoding and Bypass
  • Commas and Deserializer Alignment
  • Lab 2: Commas and Data Alignment

Day 2

  • RX Elastic Buffer and Clock Correction
  • Lab 3: Clock Correction
  • Channel Bonding
  • Lab 4: Channel Bonding
  • Transceiver Wizard Overview
  • Lab 5: Transceiver Core Generation
  • Lab 6: Simulation
  • Transceiver Implementation
  • Lab 7: Implementation
  • Physical Media Attachments

Day 3

  • 64B/66B Encoding and the Gearbox
  • Lab 8: 64B/66B Encoding
  • Transceiver Board Design Considerations
  • Transceiver Test and Debugging
  • Lab 9: Transceiver Debugging
  • Lab 10: IBERT Lab
  • or
  • Lab 11: System Lab
  • Transceiver Application Examples

Lab Descriptions

  • 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.
  • Lab 2: Commas and Data Alignment - Use programmable comma detection to align a serial data stream.
  • Lab 3: Clock Correction - Utilize the attributes and ports associated with clock correction to compensate for frequency differences on the TX and RX clocks.
  • Lab 4: Channel Bonding - Modify a design to use two transceivers bonded together to form one virtual channel.
  • Lab 5: Transceiver Core Generation - Use the 7 Series FPGAs Transceivers Wizard to create instantiation templates.
  • Lab 6: Simulation - Simulate the transceiver IP using the IP example design.
  • Lab 7: Implementation - Implement the transceiver IP using the IP example design.
  • 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.
  • Lab 9: Transceiver Debugging - Debug the transceiver IP using the IP example design and Vivado debug cores.
  • Lab 10: IBERT Lab - Create an IBERT design to verify physical links.
  • 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.

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