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Cortex-M3 MCU

Dedicated for Telematics applications

STMicroelectronics has launched the Telemaco3 single-chip MCU family. The STA1195 ARM-based micro-controller provides three Classical CAN and two CAN FD on-chip modules.

(Photo: STMicroelectronics)

The Telemaco3 family comprises the STA1175, STA1185, and STA1195 micro-controllers, which provide choices such as various numbers of CAN interfaces and the optional DSP (digital signal processor) subsystem, enabling users to scale their designs. The components are sampling now to lead customers, and full production is scheduled for December 2017. The Telemaco3 family increases performance for telematics and connectivity applications, compared to the previous Telemaco2 generation, by upgrading the execution speed of the main processor more than from 700 DMIPS to 2500 DMIPS.

Telematics systems that monitor on-board sensors and exchange information with the Cloud are becoming increasingly sophisticated to support services such as remote vehicle diagnostics, roadside assistance, and Over-The-Air (OTA) software updates. Infotainment features like location-based services and access to personal content and contacts add further benefit for end users. Over 72 % of new cars globally will be fitted with factory-installed telematics systems by 2021, according to ABI Research. This gives OEM and independent telematics service-providers opportunities for aftermarket systems.

The Telemaco concept helps maximize consumer access to connected-driving services through the integration of the telematics processor, secure in-car connectivity, and sound boosting in a single chip. Unlike alternative products, which are typically based on an application processor or a GSM modem with integrated CPU (Central Processing Unit), the Telemaco3 chips are tailored for telematics applications including 2G, 3G, or 4G connectivity. At the same time, the secure interface with the in-vehicle network is enhanced with a hardware cryptographic accelerator, and connectivity extended with Gigabit-Ethernet support and the option to host a Wi-Fi module that can be used as an in-car hotspot.

"Today's connected-driving applications have shown car owners how telematics services can help them gain more satisfaction from their vehicles and journeys, and more sophisticated new services will continue emerging," said Antonio Radaelli from STMicroelectronics. "As the industry's only purpose-designed telematics and connectivity controllers, our new Telemaco3 chips provide the performance needed to support next-generation connected-driving services and enable automotive OEMs and aftermarket vendors to bring compelling new products to market."

Power management helps simplify design and save external components. In addition, always-on circuitry that keeps basic functions in a ready-to-use state, as well as smart boot for fast response to events such as CAN interrupts, also help to minimize the load on the vehicle's energy supply while ensuring rapid event handling.

Software-development support includes a Linux kernel and board-support package (BSP), middleware including communication stacks and navigation software. The FreeRTOS kernel for the Cortex-M3 subsystem allows development to leverage the Linux open-source ecosystem.


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