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Re: LPC2106 Branches to 0x7FFFE254 on interrupt

2004-09-30 by Leighton Rowe

0x7FFFE254? Thats appears to be an address in the bootblock section.

Just out of curiosity, what's your current MEMMAP configuration?

--- In lpc2000@yahoogroups.com, "helicopterproject2003" 
<helicopterproject2003@y...> wrote:
> We are developing on a Ashling EVBA7 with a LPC2106 using the IAR 
> EWARM 4.11A. We are using nesting interrupts. We have some code 
> which seems to run fine on 1 of the EVBA7 boards but branches to 
> 0x7FFFE254 on the other 2 as soon as interrupts are enabled. They 
> are all using the 14.745MHz xtals and the code is setting up and 
> using I2C, Timer0 and Timer1. We are setting the PLL to run at 
> 58.98MHz and the VPB is set to 1 to run the VPB at the same speed 
as 
> the processor. The same problem occurs whether we run the code in 
> flash or RAM.
> 
> I have tried everything a can think of to track down the cause but 
> so far no luck.
> 
> This is NOT being caused by an exception. All of the exceptions 
> except IRQ point back to itself in the startup code.
> 
> Does anyone know what may be causing this to happen.
> 
> Thanks
> Rick

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