• How to write values ​​from secure code to non-secure memory.
    For example, Save the value x held by the secure code in the non-secure memory. next, Access the non-secure memory where the value x will be stored from the non-secure code. I want to do...
  • How to Change the Non Secure VTOR (Cortex-M33)
    Hi, I'm using the Cortex-M33 and I would like to know if it's possible to change the Non Secure Vector table offset address (VTOR) while maintaining the Secure VTOR pointing to a different address....
  • Reading non-secure world code memory from the secure world
    Hi! I am currently using an ARM Cortex-M23 based Nuvoton M2351 with the Keil MDK IDE. I am trying to read non-secure domain code memory (stored at 0x10040XXX) from privileged secure world code. I...
  • Calling non-secure Reset Handler from Secure main
    Hi, I am trying to run the example for ARMCM33_DSP_FP_TZ code provided in Keil MDK on a new Cortex-M33 MCU by our company. I have made necessary edits to the linker script to assign the correct values...
  • Does the processor frequency change when switching from secure to non secure domain?
    Hello, I am using a Nuvoton M2351 for my research. I am running into a very weird issue. I am trying to get some portions of FreeRTOS to run inside the secure domain. I am using the EventRecorder...