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Fig. 2: The Freescale S32K evaluation board holds the ARM Cortex-M4 microcontroller, with its own digital signal processor (DSP) and a floating-point unit (FPU), along with all the necessary peripheral interface “glue” including CAN, I2S, SPI, GPIO, UART plus an analog-to-digital (A/D) unit. Source: Freescale. mechanical beasts. The other big attraction about Freescale for automotive is their on-chip security measures. There have been several hacks in the last year alone and when you connect the infotainment system to the command-and-control systems, you are just opening the door to hackers.” With the addition of the S32K to Freescale’s i.MX and Kinetis lines, an entire car could conceivably be run by Freescale microcontrollers all using the free reusable components of its software development kit and free real time operating system including a Secure Hardware Extension (SHE) compliant module. The S32K itself houses a 112MHz ARM Cortex-M4 with a built-in digital signal processor and floating point unit and from 8-kilobytes to 2 megabytes (in nine steps--8k-, 16k-, 32k-, 64k-, 128k, 256k-, 512k-, 1M-, or 2Mega-bytes) for 18 models total today with over 100 more models on the way, according to Alves who called the series “future proof.” On-chip hardware encryption/decryption for security also prevents counterfeit modules from being passed off as originals by crooks. The S32K is also pre-validated to meet the required functional safety standards including self-test for failure prevention, and security-key management along with an automotive-grade software development kit and S32 Design Studio that it claims is “beyond” the traditional Autosar Microcontroller Abstraction Layer, in collaboration with IAR Systems which supplies a compatible C++ compiler and debugger. Arduino connected-device dev board targets the IoT For projects including “Internet of Things” applications, RS Components has announced the availabilty of a development board that builds on the Arduino Uno platform, with more processing capability from a low-power 32-bit Atmel microcontroller based on an ARM Cortex M0+ core. Hosting a low-power Atmel SAM D21 microcontroller, with ARM Cortex M0+ core, the Arduino M0 Pro board features the Atmel Embedded Debugger (EDBG), which provides a full debug interface without the need for additional hardware and simplifies software debugging. RS Components http://uk.rs-online.com www.electronics-eetimes.com Electronic Engineering Times Europe July-August 2015 35


EETE JULAUG 2015
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