STMicroelectronics’ Smart Gateway Platform for Automotive Applications

  • Enables high data-rate communication among Electronic Control Units (ECUs)
  • Includes a rich set of in-vehicle network interfaces such as multiple Ethernet and CAN ports

The evolution of automotive architectures to include high throughput in-vehicle networking and high data-rate connectivity to the cloud has increased demand for high-performance Smart-Gateway and Domain-Controller Electronic Control Units (ECUs).

For this, STMicroelectronics’ Smart Gateway Platform (SGP) is a valuable development tool for prototyping automotive Smart-Gateway and Domain-Controller applications.

Secure cloud connectivity

ST’s modular SGP is built on gigabit Ethernet communication between the secure and ASIL-B Telemaco3P microprocessor (MPU) and the ASIL-D SPC58/Chorus microcontroller (MCU). Its powerful processing capability can handle firewall functionalities, perform predictive maintenance, do Over-The-Air (OTA) upgrades and conduct high data-rate communication among different ECUs and to the cloud.


While the Chorus MCU provides real-time, low-power and secure in-vehicle connectivity through its multiple CAN-FD interfaces, the Telemaco3P MPU extends gateway computations by offering dual Arm® Cortex® A7 processing power with the Posix OS support and embedded Security Module to handle OTA updates, firewall, and predictive-maintenance functions.

Ease of performance

The SGP reference design features a rich set of in-vehicle network interfaces including multiple Ethernet and CAN ports, as well as support for LIN and FlexRay connections. The SGP also integrates expansion connections to Wi-Fi and LTE modules to support full prototyping of use cases that require cloud-connectivity simulation. Its modular architecture provides an optimal framework for easy platform scalability in performance, networking and software.

The platform can be deployed with a comprehensive starter package, which includes hardware design files, hardware/software documentation, software utilities (drivers and flashers) and sample applications.

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