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  • NXP enhances embedded security and signal processing with new Arm Cortex-M33 based chip families

    There is no doubt that the next generation of The Internet of Things devices market has exploded, and with that comes the need for the next generation of microcontrollers to support enhanced security, as well as more processing power, while further decreasing…

  • What is TrustZone for ARMv8-M?

    As a product manager for the Cortex-M33, I see this question pop up a lot. Below is my version of the answer.

    Characteristics of TrustZone technology

    • TrustZone is the security foundation for billions of ARM Cortex-A processor-based systems
    • TrustZone…

  • A couple of use cases for TrustZone for ARMv8-M

    Root of Trust implementation – Connected devices with authentication requirements need a root of trust in the system architecture. This is particularly important for devices that can be updated over the air. In a system with TrustZone technology, code…

  • Link to download gcc support for TrustZone for ARMv8-M

    * All GCC 6 features, plus latest mainline features:
      + Full ARMv8-M support including atomics and Security Extensions
      + ARM PURECODE support for ARMv7-M and ARMv8-M Mainline
      + Co-processor intrinsics support
      + Cortex-M23 and Cortex-M33 support
      + -mthumb…

  • What is the top level difference in features between Cortex-M33 and Cortex-M4?

    This is a very common question.

    The diagram below is a pictorial description of the differences followed by some explanations.

    Cortex-M33 v Cortex-M4 features

    Starting from the bottom:

    • Cortex-M33 is an implementation of the ARMv8-M architecture. Full details are in my blog on the 5…

  • What is the top level difference in features between Cortex-M23 and Cortex-M0+?

    This is a very common question too.

    The diagram is a pictorial description of the differences followed by some explanations.

     

     

    Starting from the bottom:

     

    -Cortex-M23 is an implementation of the ARMv8-M architecture. Full details here.

    -Using the same debug…

  • [Cortex-M33 FVP]:SecureFault with SAU disable

    Hello,

    I am using Cortex-M33 FVP model to run the Keil RTX TrustZoneV8M RTOS example.
    Have also tried to experiment with the memory map configuration and the corresponding SAU region programming for NS/S patitioning and the behaviour is as expected.

    However…

  • Where will the various software components reside in a TrustZone for ARMv8-M solution?

    Where the system designer wants them to be, of course!

    There is no restriction on where the various software modules reside. As with all other Cortex-M processors, the system designer is at liberty to build the solution that has the best fit for the target…

  • How to use FreeRTOS Scheduler with trustZone ARMV8-M M33 ?

    I have a set of tasks in FreeRTOS and I need to put some of them in the secure world (Trustzone).

    Is there a communication to be established between the SMC trustZone side and the scheduler FreeRTOS side ?

    tracks please.

  • Extend the ARM Cortex-M33 with a custom co-processor

    two cores.png

    IoT refers to thousands of diverse market segments that are now using connected intelligent devices: from IoT nodes with rich user interfaces, to tiny sensors that are powered only by energy that is harvested from the environment. These small IoT nodes…

  • Five key features of the Arm Cortex-M33 Processor

    System-on-chip (SoC) solutions based on Arm Cortex processors address diverse embedded market segments, including: Internet of Things, motor control, healthcare, automotive, home automation, and many more, as you can see in this blog by Thomas Ensergueix…

  • New AMBA Specification Extends Security to Embedded Design: AMBA 5 AHB5

    The amount of data we generate is growing exponentially. Gartner has predicted that in 2015 the global mobile data traffic will be a total of 52 billion terabytes, an increase of 59 percent on 2014. It’s a staggering number that is driven not just by…

  • How do the ARM Cortex-M processors enable secure IoT Applications?

    In the recent ARM Connected Community event Interview and Question Time with Joseph Yiu

    community member Gopal Amlekar asked the following question:

    "How are ARM processors and especially the Cortex-M processors helping in making the IoT more secure…