Posted on March 15, 2006 at 13:25I found the problem. You need to clear the timer interrupt first before clearing the FIQ pending flag, otherwise the interrupt source would still be active when FIQ pending flag was cleared and it would immediately b...

Posted on March 15, 2006 at 12:34Hello, I am using TIM0 PWM OCMPB interrupt to cause FIQ T0TIMI_FIQChannel interrupt. I am using the IAR compiler with their routines to activate and service the interrupt. I am seeing a double interrupt like the flag...