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  • 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…

  • the means of tail-chaining of interrupts

    hellow

         I am reading the book  “Cortex  -M3 Embedded Software Development” on page of 3,chapter 1.1 Nested Vectored Interrupt Controller (NVIC),

    i don not understand  the means of tail-chaining of interrupts .In the sentence of  "The NVIC also…