• Can wfe/sev instruction work between 64 & 32 bit cores?
    Hi Expert, In a multicore system, core1(64bit mode) is pending by wfe instruction. If core0(this is also a 64bit core but it switched from 64 to 32bit mode) run sev instruction, can core1 be waked up...
  • STM32- Timer not working as expected,
    Dear sir, The below is the program i wrote to measure input pulse width from 2hz to 100hz through STM32 TIM3_CH3. It is measuring the time. But it has wide variation. TIM3-CH3 capturing with wide...
  • LPC2148 timer0 not working as expected
    I am new to ARM and I am trying to produce 1 second delay using timer 0 in LPC2148. But in debug session in Keil, it is giving delay of 4 seconds with 15MHz and 5 seconds with 12 MHz. What is the issue...
  • Timer not working as expected
    Dear sir, i want to measure the pulse width of input signal ranges from 100hz to 5000hz. Below following is my code for initialization and measurement. i did the programming in polling. not...
  • Synchronization in SMP-system WFE/SEV DMB/DSB
    Note: This was originally posted on 31st October 2011 at http://forums.arm.com Hi, I'm trying to synchronize a Cortex-A9 MPCore in SMP mode, but am failing this far. I tried to figure out how to use the...