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RISC-V microcontroller cores for easy migration

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By Nick Flaherty


French IP developer Cortus has launched two families of 32bit RISC-V microcontroller (MCU) cores.

The Lotus cores are designed for ease of use, and to simplify migration from existing MCUs with maximal software reuse to minimize development cost.

The 40MHz Lotus1 is designed for battery powered consumer products with small area, low voltage operation for a single cell battery at 1.62V and low power consumption, allowing the chip to be permanently connected to the battery with programmed or use an externally triggered wakeup. This is aimed at sensing and small motor control applications.

The Lotus2 is the first of a large family of Automotive MCUs running up to 120MHz for applications such as body electronics control, chassis control, infotainment connection module, windows, door, sunroof management, powertrain, motor control and more. The IP is based on the RV32IMAFC RSC-V extensions and is compliant with ISO26262 ASIL-B and/or IEC 61508, AEC Q100/1 certifications. Other members of the family will also be ISO26262 ASIL-D compliant with an Evita full HSM.

Cortus is a fabless semiconductor manufacturing group headquartered in Mauguio (near Montpellier, France). Cortus provides IC devices from a simple MCU to a high-end SoC using its own broad IP portfolio which includes processors 32/64 bits (Cortus ISA and RISC-V ISA), digital, analog, mixed-signal, RF and security IP;  in many areas such as Automotive, IoT/NB-IoT, Edge Computing and Industrial. Over 13 billion devices have been manufactured containing Cortus processors and IP.

Cortus is a core contributing member and board member of the DASH7 Alliance for the Internet of Things and a member of the Wi-SUN alliance. Cortus is a Platinum Founding Member of the RISC-V Foundation and strategic member of RISC-V International.

www.cortus.com

 


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