• How to properly measure sleep time with DWT?

    Hello everyone,

    I need to measure sleep time of my Cortex-M4 processor (STM32F4xx).

    I looked at DWT where I also use normal tick counter and I enabled SLEEPCNT counter.

    However, I noticed that it is 8-bit register with event generation support.

    Now, there…

  • 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 seems to be setup right. I can compile and…

  • 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 to execute an instruction from a memory region marked as…