• wfi in debug mode
    Hi, Please help me understand expected behavior of CM4 when CM4 is in debug mode and WFI is executed through single step. Does CM4 enter sleep/sleepdeep in such case ? Thanks, Sandeep
  • Processor sometimes ignoring WFI instruction
    Hello everyone, I have a problem with WFI instruction and deep sleep mode. Normally everything work correct, but sometimes processor ignore instruction WFI and continue work. I use ARM Cortex-M0+...
  • SysTick
    Hi guys, I am trying software timers without using interrupt SysTick->CTRL = 0x5; SysTick->LOAD = 0xFFFFFF; SysTick->VAL = 0; when start the program, what will happen with SysTick->VAL = 0; it...
  • Priority of Systick timer M0+
    Hello everyone, I'm using a MKL05Z32 of Freescale that has a Cortex-M0+. I would like to know the priorit of the Systick timer available to use. Thanks. Frederico
  • WFE/WFI and pending interrupts?
    I'd like to know the behavior of WFE and WFI regarding pending interrupts that occur prior to these instructions, on 2 different Cortex profiles.  In both cases, t he goal is to ensure any incoming interrupt...