• 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
  • Best ARM processor for a low power medical device
    I am working on an implantable medical device that requires a system on a chip. I can probably manage 1.5 to 2.5 watts, and I'm going to need all of it for this application. Which ARM processor should...
  • CM4: Can processor halt itself by writing DHCSR
    Hello, As part of my diagnostic regime I wanted the diag to halt when completed. It doesn't seem like it can. It seems to keep running when I CoreDebug->DHCSR = (0xA05FUL << CoreDebug_DHCSR_DBGKEY_Pos...
  • 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+...
  • Processor halt in __libc_init_array assembler function
    Hi, I'm working with dual ARM Corte-A9 in FPGA Zynq7000. I have three diferents hw with same software ( .elf and same files configuration linker script ). My problem is that SW works fine only in one...