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Electronicdesign 19007 Carselectricvehicledashboard 537551142 0
Electronicdesign 19007 Carselectricvehicledashboard 537551142 0
Electronicdesign 19007 Carselectricvehicledashboard 537551142 0
Electronicdesign 19007 Carselectricvehicledashboard 537551142 0
Electronicdesign 19007 Carselectricvehicledashboard 537551142 0

Jump into Automotive Telematics System Design

Oct. 24, 2017
STmicroelectronics’ Modular Telematics Platform uses the Telemaco3P Secure Telematics Processor, allowing developers to get started designing secure automotive systems.

STmicroeletronics’ (STmicro) Modular Telematics Platform (MTP) is a system solution enables developers to quickly start development of automotive telematics systems using the Telemaco3P Secure Telematics Processor (see photo). The platform bundles the processing node of a telematic system with a GNSS positioning node. The positioning node is based on the multiconstellation, single-band TeseoIII chip that provides GyroAcc dear reckoning capability. The MTP can also support STMicro’s multiconstellation, dual-band chips.

The platform supports cellular wireless connectivity in addition to optional Bluetooth and Wi-Fi support. There is an expansion connection for V2X connectivity that works with the Autotalks V2X platform. The board supports all major automotive networks, including CAN-FD, Flexray, and BroadR-Reach 100Base-T1 Ethernet. In addition, the system has dual Gbit Ethernet controllers with AVB support. There are also SDIO and USB 2.0 interfaces.

The Telemaco3P STA1385 is AEC-Q100 qualified Grade 2 and it is designed to be a cost-effective processing solution for innovative telematics and connectivity applications. It is based on a dual, 600-MHz Cortex-A7 SoC with an embedded and independent Hardware Security Module (HSM). There is also an isolated sub-system based on ARM Cortex-M3 for vehicle CAN interface. It also has access to the full set of standard connectivity interfaces. The Cortex-M3 has 256 Kbytes of reserved SRAM that can be extended up to 768 Kbytes. The system supports 16-bit DDR3L/LPDDR2, and it has an 8-bit NAND interface.

The HSM includes cryptographic functions accelerators and a true random number generator. It supports AES, RSA, and ECC keys, along with MD5, SHA1, SHA2, and SHA3 hashes. The anti-tamper security support has provision for an ST SECURE Element device (ST33) to achieve security protection levels above the ones provided by the HSM. The system is designed to provide secure boot, software roll-back protection, secure Electronic-Control-Unit (ECU) Firmware-Over-The-Air (FOTA) upgrade, and I/O channel encryption. The chip also implements ARM TrustZone protection.

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