• Cortex-M MPU limitations
    Hi All, The title may seem a bit negative, just from my personal point of view. What is the main reason of the two requirements of setting up MPU, namely size and start addresses of MPU regions. First...
  • MPU config and memory attributes
    I want config STM32F746 MPU , In the ARM Cortex M7 generic user guide External RAM memory region (0x60000000 - 0x7FFFFFFF)(512MByte) has WBWA (write back write allocate) cache policy see this link ...
  • MPU
    Hi Using STM32f4 Board, I am enabling MPU in between any code (simple program) always causing memory management fault on debugging fault that ( IACCVIOL) bit is set, It means Attempting...
  • Cortex M7 D cache activated without MPU been enabled
    Hi, I have question related to cortex M7 cache behavior. I noticed that whenever the MPU is disabled after power on reset then I activate data cache I get a hardfault (data cache is already invalidated...
  • MPU and TrustZone
    Hello, I am trying to configure MPU on Cortex-M23 processor with TrustZone enabled. I would like to assign an MPU region for a user-level application running in the non-secure side of TrustZone-M...