• DWT
    Hello, I use DWT in Cortex-M4 to catch instructions that write or read memory contents and the problem is it doesn't stop immediately where I expect, it stops after 2-3 instruction later than where...
  • DWT instruction address
    Hello there, As I was reading the arch TRM some doubts emerged in the DWT component. When it talks about instruction address watching I am not sure if this refers to the address of the instruction...
  • Blink Newbie help debug!
    Hi Forum. I'm new to ARM, but have experience with AVR. I'm just trying to make a Hello World with blinky LEDs. I have this board: https://forum.micropython.org/viewtopic.php?t=3086 So ok, everything...
  • 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...
  • Measuring Cortex-M4 instruction clock cycle counts
    I'm trying to find a reliable method for measuring instruction clock cycles on the STM32F429 MCU that incorporates a Cortex-M4 processor. Part of the challenge is that although the core CPU has no cache...