Spezielle anwendungen des vlsi entwurfs applied vlsi design
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Spezielle Anwendungen des VLSI – Entwurfs Applied VLSI design. Course and contest Results of Phase <1> <Ayad Mostafa, Florian Grützmacher>. Facts to present. Design and architecture: Chosen Adder: Ripple Carry Adder - works - expected speed:slow Chosen Multiplier: Booth-Wallace

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Spezielle anwendungen des vlsi entwurfs applied vlsi design

Spezielle Anwendungen des VLSI – Entwurfs Applied VLSI design

Course and contest

Results of Phase <1>

<Ayad Mostafa, Florian Grützmacher>


Facts to present
Facts to present

  • Design and architecture:

  • Chosen Adder: Ripple Carry Adder

  • - works

  • - expected speed:slow

  • Chosen Multiplier: Booth-Wallace

  • - doesn’t work yet!


Facts to present1
Facts to present

  • Figures to be given (with units):

  • Facts involve your_design.vhd with Ripple-Carry-Adder but without a multiplier


Flow for the presentation
Flow for the presentation

  • Recommended flow for reasoning:

  • Observations:

    • A very fast adder

  • Discuss results

    • Virtex 6 FPGA have a Carry-Path

    • Ripple-Carry may be optimized to this path

    • -> very fast adder

    • BUT: on ST65 probably slow because of no carry-path optimization

  • Outlook on next steps/optimizations

    • Implementing another adder like CLA

    • Implementing a multiplier


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