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Synopsys
Posted on by Daniel Payne

Automotive Design and Virtual Prototyping

Automotive Design and Virtual Prototyping
by Daniel Payne on 05-25-2019 at 5:40 pm
Categories: Automotive, EDA, Prototyping, Synopsys

The entire history of EDA software tools has enabled engineers to design ICs and SoCs using virtual prototyping, so most of us in the industry are familiar with the idea of modeling and simulating something as complex as an IC before actually starting the manufacturing process. In a complex system like an automobile there are a lot of sub-systems that use chips, software, firmware, operating systems, sensors, hydraulics, wiring and mechanical parts. Can engineers take the same virtual prototyping approach for multi-disciplinary projects like automotive?

Synopsys Auto

Thankfully, the answer to that question is a resounding yes. In this blog I’m looking at what Synopsys has architected to meet the needs of the automotive market.

Virtual Hardware ECU

Electronic Control Units (ECU) are exploding in numbers, so a modern car can have 80+ ECUs in it, like: Engine Control Module, Powertrain Control Module, Transmission Control Module, Brake Control Module, Central Control Module, Central Timing Module, General Electronic Module, Body Control Module, Suspension Control Module (Source: WikiPedia). Synopsys has a virtual hardware ECU test bench approach that helps a team to integrate all of these ECUs, measure RAM and memory corruption, perform fault and coverage testing, automate regression testing and support the ISO 26262 functional safety standard.

Virtualizer Development Kits

Software developers can get an early start if only they had a model of the hardware, so that’s where Virtualizer Development Kits (VDK) come into play. You get to quickly assemble a virtual prototype by using pre-built virtual daughter boards. Even before your new MCU, SoC or ECU hardware has been fully designed, you can start developing software or porting an OS by using VDKs.

Synopsys VDK

Center of Excellence

Creating an eco-system with automotive MCU and SoC vendors is essential for automotive virtual prototyping to grow, so Synopsys has created partnerships with the following IP and semiconductor companies:

ARM VDK Family for ARM Processors
Infineon VDKs for AURIX family
NXP VDKs for MPC5xxx Family
VDKs for S32 Automotive Platform
Renesas VDKs for  RH850 Family
VDK for R-CAR Family
ST Microelectronics VDKs for STELLAR Family
Synopsys VDKs for DesignWare ARC and EV Processor

Platform Architect MCO

Using a Transaction Level Model (TLM) to simulate your system design quickly is much preferred over low-level RTL code, plus there are much fewer lines of code. Even better, you can use a graphical system like Platform Architect MCO to partition hardware and software optimally for a multicore system.

Platform Architect

Physical Prototyping

Automotive systems are highly complex with hardware, software and operating system interactions that take a massive amount of design and verification effort. To accelerate this challenge consider using physical prototyping like the Synopsys HAPS Prototyping product, it’s been proven over many years and will help your team speed up software development, improve hardware verification and system validation starting with just an IP block all the way up to processor subsystems and even a complete SoC.

Synopsys HAPS Prototyping Solution

Elektrobit

OK, using a virtual prototype sounds promising as a methodology, but who is actually using it so far in the automotive field? A company in Finland called Elektrobit has been providing automotive software for the past 30 years, and over 100 million vehicles depend on it for tasks like: connected car infrastructure, human machine interface (HMI) technology, navigation, driver assistance and ECUs.

Elektrobit used the VDKs from Synopsys to port their AUTOSAR operating system before silicon was ready. They also developed a concept virtual ECU that was based on the NXP Semiconductor S32 Automotive Processing Platform.

Summary

Automotive system design is becoming more complex with the electrification of vehicles and the approach of using virtual prototypes is certainly a big help in shortening design and verification times. Synopsys has invested heavily in this automation area and partnered with the leading IP and semiconductor companies to make virtual prototyping a best practice.

DAC 56 attendees will find Synopsys located in booth 367, which is in the back left-hand corner of the exhibit hall. I’ll be sure to stop by to learn more about their automotive offerings and meet my contacts.

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