• UNPREDICTABLE in instruction description (Lord! yet another question)
    In quite many instruction descriptions it says: if d == 15 then UNPREDICTABLE; What does this mean? Can the instruction really work in some unexpected way in each such case or what? I guess if I use...
  • I want to know priority of Cortex-M3 processor
    which interrrupt priority is higher? systick vs IRQ(external timer) because In my case externl timer is higher then systick. I saw that during processing in systick ISR, but suddenly pc jump to...
  • ARM Cortex M3 STM32F207 processor hangs during the initializing if the code-size is more then 64k
    Hallo, I'm using a ARM Cortex M3 STM32F207 processor and if the code of  my project becomes a value of more than 64k, the processor hangs before the PC reach the __main(). The code starts at 0x08020000...
  • Which Arm processor to select?
    Currently I am working on a dynamometer project for analysing PMDC motor parameter to create a laboratory setup , so how should I proceed in the selection criteria of the processor for my project ,as...
  • Loading cortex M1 soft processor on Pynq Processor
    am trying to load the ARM Cortex-M1 soft processor on the pynq Z2. I am writing a simple C program to read values from an array and displaying it on the Jupyter notebook. This does not seem to work as...