The main aim of the Proteus VSM USB Simulation is to allow complete simulation of those microcontrollers having an on-board USB peripheral. Since the vast majority of such devices have a USB device peripheral as opposed to a USB host controller peripheral Proteus VSM is currently limited to simulation of USB devices (devices that attach to the USB socket on the computer), and specifically to simulation of the following USB Device classes:

• Mass Storage Device Class (MSD)
• Human Interface Device Class (HID)

Support for additional classes (and indeed additional microcontroller variants) is on-going and, depending on demand, implementation of USB host simulation support may also be considered.

How it Works
The schematic in Proteus represents the peripheral device (e.g. a USB memory stick or a USB mouse). A special schematic part called the USB connector is wired to the USB enabled microcontroller and clicking on this schematic part during simulation is equivalent to plugging in the device to a USB slot on your PC. The microcontroller executes the firmware through the schematic and USB communication will take place with the PC operating system in the same way as plugging in a physical equivalent device to a spare USB socket on the computer.

The USB Transaction Analyser can be used to decode and display all USB transactions and register access operations during simulation and the full range of Proteus VSM debugging techniques are also available. This means that you can design, debug and test your USB peripheral entirely within the Proteus software environment before you construct a physical prototype.

What you need

• A licence for a microcontroller family with supported USB variants (*). This includes the schematic capture engine and enables USB simulation on the variants which include on-board USB peripherals.
• A licence for the USB Transaction Analyser. This enables you to monitor and analyse USB traffic and register access operations during simulation.

Analysis capabilities can be upgraded to include Graph Based Simulation via the Advanced Simulation Options module.

(*) Currently modelled Microcontrollers Supporting USB Simulation: PIC18F4450, PIC18F4553, PIC18F2450, PIC18F2455, PIC18F2458, PIC18F2550, PIC18F2553, PIC18F4450, PIC18F4455, PIC18F4458.

	Multi-Licence and Educational prices are available, please contact us for a quote
	VSM Software does not Include ARES PCB Layout Software

What are the Proteus VSM advantages?

The Proteus Design Suite is wholly unique in offering the ability to co-simulate both high and low-level micro-controller code in the context of a mixed-mode SPICE circuit simulation. With this Virtual System Modelling facility, you can transform your product design cycle, reaping huge rewards in terms of reduced time to market and lower costs of development. * Please read the whole article here.

• Schematic entry
• Circuit Simulation
• Co- Simulation of Microcontroller Software
• Source Level Debugging
• Diagnostic Messaging
• Peripheral Model Libraries

Why use Proteus VSM?

Proteus VSM was the first product to bridge the gap between schematic and PCB for embedded design, offering system level simulation of microcontroller based designs inside the schematic package itself.

Over ten years later, Proteus VSM is still leading the field with more microcontroller variants and peripherals than any competing product, better debugging tools and instruments and a consistent focus on innovation. * Please read the whole article here.

The main benefits are:

• Flexibility
  • An Experimental Canvas for Design
  • Write Firmware for Virtual Hardware
  • Change Either Quickly and Easily
  • Freedom to Create, Test and Perfect
• Productivity
  • Faster Bug Fixes
  • Fewer Design Iterations
  • Enables Parallel Development
  • Shorter Time to Market
• Cost
  • Reduced Development Time
  • Reduced Debugging/Testing Time
  • Reduced Manufacturing Delays
  • Reduced Equipment Costs
  • Reasonable Cost of Ownership

The Proteus VSM Concept

Proteus Virtual System Modelling (VSM) combines mixed mode SPICE circuit simulation, animated components and microprocessor models to facilitate co-simulation of complete microcontroller based designs. For the first time ever, it is possible to develop and test such designs before a physical prototype is constructed. A full exposition of the Proteus VSM technology and features can be found here.

Whilst we believe Proteus VSM is functionally so far ahead of any other product that it really has no competition, you may also want to look at our competitive analysis to compare features against other offerings on the market or read some existing customer comments.

How is this Useful Educationally?

In addition to providing high quality Schematic Capture and PCB Layout for traditional computer aided design Proteus VSM is uniquely suited to teaching students about the design and operation of embedded systems solutions. For the first time a full virtual debugging interface is available in software, obviating the need for expensive hardware and allowing your students the freedom and flexibility to design and develop microcontroller solutions without the need for a physical prototype.

The following is a comparison of Proteus VSM against a typical microprocessor hardware lab equipped with evaluation boards and In Circuit Emulators..

Tutorials and Resources

The following resources will help you get started quickly with the Proteus Design Suite:

• Detailed written tutorials and walkthroughs via the Help Menu in both ISIS and ARES.
• Short videos covering some basic features of the software here : Demo Movies
• Dedicated e-mail support to quickly answer any questions you have here at Tigal and at Labcenter

 Download your Proteus Professional DEMO now!

Please start your download here.

Limitations of the Demonstration Version

The Proteus Professional demonstration is intended for prospective customers who wish to evaluate our professional level products. It does not allow you to save, print or design your own microcontroller based designs (you can however write your own software programs to run on the existing sample design suite for evaluation), but does include all features offered by the professional system including netlist based PCB design with auto-placement, auto-routing and graph based simulation.