The new solution features the first SIL3-certified software that includes mutual diagnosis that presupposes a dual MCU structure and software isolation functions (safe and non-safe isolation functions) that isolate multiple application software programs from affecting each other. In situations where software changes occur in association with deployment to multiple versions, the software isolation function allows certification of only the software sections that have changed. This can significantly reduce the time required for recertification application and certification application itself, reducing the burdens involved in developing dual-MCU configuration systems.
Application software not related to functional safety – such as the system control software and safety monitoring software – can be embedded in a single MCU using the software isolation function, minimizing the need for additional devices for safety monitoring.
Availability
All four elements of RX Functional Safety are available now. To reduce developers' initial costs and conduct trials, Renesas will also provide a free version of the RX Functional Safety – Self-Test Software Kit and a free evaluation version of the RX Functional Safety – SIL3 System Software Kit. (Availability subject to change.)
For more information on RX Functional Safety, please visit: https://www.renesas.com/solutions/industrial-automation/functional-safety/functional-safety-solution-for-industrial-automation.html
(Note 1) Safety Integrity Level (SIL) is a measure of risk reduction. IEC61508 defines the levels from 1 to 4, with 4 providing the highest level of safety integrity and 1 the lowest level.
(Note 2) Renesas source as of March 7, 2019.
About Renesas Electronics Corporation
Renesas Electronics Corporation ( TSE: 6723) delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live. A global leader in microcontrollers, analog, power, and SoC products, Renesas provides comprehensive solutions for a broad range of automotive, industrial, home electronics, office automation, and information communication technology applications that help shape a limitless future. Learn more at renesas.com.
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