• How to change CM33 State from secure to non-secure
    Dear All, Please help me to change the cpu state from secure to non-secure hust after starting in reset handler itself. Is there any way to change its state to the non-secure region.
  • What conditions would generate the CM33 FPU underflow and input denormal exception flags?
    I am trying to understand the exception flags of the Cortex-M33 FPU and I am not able to understand what conditions would set the Underflow and Input Denormal flags. Can anyone provide the necessary...
  • 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...
  • 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....
  • Does Cortex-M33/M35P support bit band?
    I will develop on cortex-M33 and M35P these days. I didn't find M35P's reference manual but I found that bit band is not referred in M33's reference manual. Because both of them are based on ARMv8-M,...