• Race condition between wake up event and WFI on Cortex-M3/M4
    When I read below thread in arm forum, I still not clear which one is the safety way. Cortex-M4: guaranteed wakeup from WFI? There're two solutions mentioned above, using WFE instead of WFI, and swap...
  • Cortex M4 Conditional Branch - Pipeline
    Hello all! So I'm working on a development with a Cortex M4 and there is something i don't understand, I was hoping someone could help clarify this: This is the code I' using (Assume R3 content...
  • Cortex-M3:Little endian
    Hi All, The cortex M3 in STM32F100xx devices stores in little endian format. Does this mean that even the memory locations which I see in KEIL window are in the little endian format? For eg: 0x20000AFF...
  • Instruction timings - arm cortex m3
    I am using the following 3 assembly sections to read a memory mapped i/o to multiple registers and to read same i/o and save it ram respectively , on an ARM Cortex M3. I want to know exactly how many...
  • Addressing memory question for Cortex-M3
    First I apologize if I am in the wrong place to ask this but can't find info anywhere or I just don't know what question to ask regarding memory address for the Cortex-M3. I am very new to microcontrollers...