• Use of SV Call & NMI Exceptions in ARM
    What is the use or application of SV Call and NMI Exception in ARM Cortex M0 . Is it someway related to RTOS?, if so , how?
  • Interrupt handling in ARM
    When a interrupt occurs, ARM documentation( http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/3682.html ) says interrupt is disabled till the very end of handlers. When the ARM documentation...
  • What's happening if NMI is active (via a push-button) during µC (Cortex M4) start-up (power on)?
    Hi everyone, I need help about NMI that seems to freeze mu µC during power on. I use a cortex M4 ( K64 from NXP/Freescale ). On the board I use, the NMI is connected to a push button. If I don't...
  • bootloader writing
    greetings,               as i know the boot loader is the start-up for most of controllers today. till now i just used the boot loader written by someone but i don't have any idea about it how to write...
  • [CM4] Best general way to handle a hardfault/lockup
    Over the past few months I've been doing a lot of work on a Kinetis K24 processor, which is a Cortex-M4, running the MQXLITE RTOS. It also has a couple other SDKs built in and a surprising level of complexity...