On Tue, 15 Feb 2005, Konstantin Kletschke wrote: > You got it! > > Finally I considered the OSCR running at 3.6MHz and did > > #define xip_elapsed_since(x) (signed)((IMX_TCN(IMX_TIM1_BASE) - (x)) * 28) > > i.e. 112/4. And it runs and does xip and I can write to flash. Where does that 112/4 come from? Nicolas