• Problem running copied code into flash
    Hi everyone, So I have a question. I have a ARM-M4 and for what I can tell this has both ARM and Thumb assembly. Meaning sometimes it interprets a 32 bit instruction as 2 16bit ones, some of the times...
  • CM4: Is DAP immune to MPU protections?
    Can the DAP cause exceptions by performing illegal instruction in spaces protected by MPU or is it immune? Trying my hand at setting up MPU but I cannot get it to fire - thought it might not be possible...
  • Memory protection unit - Cortex-M4
    Hi. I am writing back regarding MPU usage. I implemented it into the software in next ways (note, that program is quite simple - only privileged mode, no RTOS): 1. I enabled background region, thus all...
  • Cortex-M0: Execute in RAM after copying from flash
    Hi, I'm working on Cortex-M0.  The goal is to execute the program in SDRAM after copying from flash.  The system will boot from ROM, copy the program from flash to SDRAM, then execute from SDRAM afterwards...
  • Protection control
    Dear Team , Currently i am Developing and verifying AHB 5 Protocol. I am not able to understand HPROT signal and its behavior. Please help to get clarity on this signal and its behavior.