Bob, Robert S. Grimes wrote: > Spurious interrupt 1 > Spurious interrupt 2 > Spurious interrupt 3 > Spurious interrupt 4 > Spurious interrupt 5 > Spurious interrupt 6 > . . . I commented out the following line of cpu/mcf532x/interrupts.c to get past this issue: intp->imrh0 &= ~CFG_TMRINTR_MASK; Regards, Aaron Sells