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Integrated Design, Verification and Reuse for FPGA design flows



Here we will demonstrate the powerful RTL capture and visualization capabilities of the Mentor Graphics FPGA Design flow. Design intent is automatically captured using a graphical method, which includes:

  • Block Diagram
  • State Machine (Finite and Algorithmic)
  • Flow Chart
  • Truth Table

This graphical technique makes the understanding of the design intent more simple for reviewing and making any modifications to existing designs.  Graphical capture and visualization gives an automatic documentation of the design which will always be up to date, which can be used for reviewing the design.

Automatic RTL Code Quality Assessment
Assessing the quality of RTL code can be a subjective matter - RTL code written by one engineer can potentially be unreadable by anither unless good coding practices are followed. This can be as complex as specifying the data types and packages used or as simple as specifying that signal names are capilatized. 

Defining your companies coding standards in a tool wich can then automate the checking flow means that all the code produced follows the internal rules and thus ensures that any code produced can be more easily understood by design and verification engineers alike.

Requirements Tracking
Specifications of design and verification intent are normally produced from a single requirements specification, however the tracking of how complete these have been implemented and verified are often subjective. The question of "when are we completed verifying?" is often impossible to quantify precisely, but is most frequently the result of a "best estimate" by an experienced project engineer or manager.

By automating this tracking we can quantify the implementation of amongst others, the design coding, the testbench coding, the testbench coverage. These are important measures of timescales by engineering and project management. The impact of late changes to design or requirements can also be accuratey estimated for both timescales and costing purposes.

Using Assertion Monitors for automatic functional checks
Assertions allow both designer engineers and verification engineers to concisely describe the intended and required functionality of RTL code. By attaching these assertions to the RTL code we provide automatic functional checks of this code which make it both easier to detect functional problems within the design and more precisely locate these problems. The automated detection allows a larger set of test vectors to be easily applied to the design whilst the detection of problems points the design or verification engineer to the precise blocks where any problems originate and hence speed up the location and resolution of these issues.

PSL and SystemVerilog Assertions (SVA) are standard languages to describe these monitors and either of these can be used to describe this intended and required functionality.

Who Should Attend

  • FPGA & ASIC designers
  • Semiconductor companies
  • Semiconductor developers/Researchers

What You Will Learn

  • Accelerating RTL Reuse
  • Automatic RTL Code Quality Assessment
  • Requirements Tracking
  • Using Assertion Monitors for automatic functional checks

Products Covered

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