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Renesas eases automotive functional security, safety design

Posted: 15 Jan 2015     Print Version  Bookmark and Share

Keywords:Renesas Electronics  design  automotive  security system  ECU 

Renesas Electronics Corp. has recently unveiled its "Safety and Security Support Programme for Automotive" with the aim of simplifying the design and development of complex automotive systems. Intended to streamline the implementation of functional safety and security features through an integrated package solution, the initiative promises to minimise the burden on system manufacturers by integrating ISO26262-certified Renesas automotive semiconductor products, software, analytic tools, work products, instruction, and consulting, among others.

Functional safety and security are essential for reducing risk factors associated with the reliability and safety of autonomous driving systems. Autonomous emergency braking, automatic tracking and other operation support systems require more sophisticated automotive electronic control units (ECUs) with higher performance to support the higher control functionality. Likewise, self-driving vehicle control requires complex electronic systems, while at the same time achieving a high level of safety.

The vehicle control required for self-driving vehicles must work cooperatively with infrastructure information from external sources, such as other vehicles and traffic signals, so communication with the vehicle's surroundings becomes an important factor. With this communication comes new security considerations. Greater awareness of the security risks associated with these types of external vehicle communications is driving a global move toward standardization. The latest security standards incorporate elements such as threat analysis and risk analysis, and achieving compliance is expected to impose an increasing development burden moving forward.

With the achievement of the ISO 26262 international functional safety standard for electric and electronic automotive systems, the associated development burden on system manufacturers has increased by about 40-50 per cent, according to the company's estimate. It requires several actions in addition to non-safety and security actions, including constructing a safety concept, quantitative and qualitative safety analysis, and confirmation measures. There is also a move to develop the second edition of the ISO 26262 standard, which will result in additional requirements and further development burden increase on manufacturers.

To address the growing demands on system manufacturers to implement these complex systems, Renesas has launched the Safety and Security Support Programme for Automotive as a novel type of solution that leverages the company's core expertise in functional safety and security technology to achieve a level of automotive safety and security, including reducing the development burden, while contributing to the early realisation of self-driving vehicles. The programme will cover Renesas' automotive semiconductor products, beginning with a solution for body systems employing the RH850 family of MCUs. The first offering will be available from January 30, 2015.

Key Features of the Safety and Security Support Programme for Automotive:

(1) Tools drawing on Renesas' expertise in safety and security threat analysis

Renesas has compiled a database of use cases derived from the company's automotive experiences and insights as the global automotive company, and its know-how in device development.

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