• ARM CM4 FPU execption
    I am looking for FPU exception generation code. If some one share, or suggest some document for the same. Regards Anuj
  • 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...
  • CM4: Write buffer with enabled MPU
    Hello, I have a question regarding Memory protection unit on Cortex M4 (STM32F3 MCU). This is pretty simple single core MCU without caches. I implemented MPU based on instructions in Definitive guide...
  • Question on clock gating for AHB -lite bus matrix for CM4 based system
    Joseph, We are using CM4 and AHB -lite bus components from ARM system development kit. We have 3 different AHB masters in the system, including CM4. I am wondering if we could use HTRANS from each master...
  • CM4: Can processor halt itself by writing DHCSR
    Hello, As part of my diagnostic regime I wanted the diag to halt when completed. It doesn't seem like it can. It seems to keep running when I CoreDebug->DHCSR = (0xA05FUL << CoreDebug_DHCSR_DBGKEY_Pos...