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Connected-car automotive MCU from ST

STMicroelectronics is looking to make connected cars safer, more flexible, and future-proof with its latest high-performance, multi-core, multi-interface automotive microcontroller.

As critical vehicle powertrain, body, chassis, and infotainment features become increasingly defined by software, securely delivering updates such as fixes and option packs over the air (OTA) enhances cost efficiency and customer convenience.

Providing state-of-the-art security and generous on-chip code storage, the Chorus automotive microcontroller from ST is among the first gateway/domain-controller chips capable of handling major OTA updates securely.

With three high-performance processor cores, more than 1.2 Mbyte RAM and powerful on-chip peripherals, the SPC58 H Line joins the Chorus Series of automotive MCUs and can run multiple applications concurrently to allow more flexible and cost-effective vehicle-electronics architectures.

Two independent Ethernet ports provide high-speed connectivity between multiple Chorus chips throughout the vehicle and enable responsive in-vehicle diagnostics. Also featuring 16 CAN-FD and 24 LINFlex interfaces, Chorus can act as a gateway for multiple ECUs (electronic control units) and support smart-gateway functionality via 2 Ethernet interfaces also on-chip.

To protect connected-car functionalities and allow OTA updates to be applied safely, the new Chorus chip contains a Hardware Security Module (HSM) capable of asymmetric cryptography. Being EVITA Full compliant, it implements industry-leading attack prevention, detection, and containment techniques.

Author
Neil Tyler

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