3 for the main CPU and support data error detection and correction by providing ECC (error checking and correction⁴) functions for each memory system, such as the flash memory. The MCUs include an ECM (error control module⁵), to manage error handling. A diagnostic function has also been added to the MCUs’ built-in R/D converter (RDC2) to allow better detection compared with using an external RDC. While diagnostics similar to an external RDC are available, the integrated approach allows designers to quickly and efficiently detect improper operation and limit false negative feedback indications.

In addition to the extensive set of diagnostic functions in these new MCUs and core diagnostic software, Renesas supports user implementation of functional safety by using a watchdog, power supply monitoring, and reset generation functions of the RAA270000KFT PMIC products and providing kits that include these new ICs.

In addition to new product developments, Renesas also intends to provide solutions based on collaborations with partner companies to support user system development including a wide range of software in addition to development environment tools such as debuggers, compilers, model-based development tools, simulators, and RAM monitors.

¹ R/D converter: A function that calculates the motor rotation axis angle using analog signals of the resolver sensors.

² EMU2 (Enhanced Motor Control Unit 2): A hardware unit that performs motor control calculations based on motor current inputs, motor rotation angle inputs, and the command value, and outputs the results through a motor control timer.

³ Lockstep method: A method in which exactly the same processing is performed on two processors and any discrepancies are detected.

⁴ ECC (Error Checking and Correction): Checks for incorrect values stored in memory and corrects those to correct values.

⁵ ECM (Error Control Module) : A module that generates interrupts and internal reset signals from a variety of error sources and monitor circuits.

Pricing and Availability

Samples of the RH850/C1H and RH850/C1M MCUs are scheduled to be available from the beginning of CY2015, priced at US$ 45 and US$50 per unit, respectively. Mass production is scheduled to begin in May 2016 and is expected to reach a scale of 100,000 units per month. (Pricing and availability are subject to change without notice.)

For more information, follow Renesas Electronics America at @RenesasAmerica on Twitter or http://www.facebook.com/RenesasAmerica.

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About Renesas Electronics Corporation

Renesas Electronics Corporation (TSE: 6723), the world’s number one supplier of microcontrollers, is a premier supplier of advanced semiconductor solutions including microcontrollers, SoC solutions and a broad-range of analog and power devices. Business operations began as Renesas Electronics in April 2010 through the integration of NEC Electronics Corporation (TSE:6723) and Renesas Technology Corp., with operations spanning research, development, design and manufacturing for a wide range of applications. Headquartered in Japan, Renesas Electronics has subsidiaries in 20 countries worldwide. More information can be found at www.renesas.com.

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