Lpc2000

At 03:23 PM 3/6/05 +0000, david_z_lawson wrote:
>I'm new to ARM / embedded / Philips. I've got some code that I've been
>stepping through and one instruction is causing a data abort, I think,
>since execution goes to 0x00000010 (the data abort vector). But core
>interrupts are disabled. I guess that a data abort is not really an
>interrupt. But what could cause this to happen?
>
>on the MCB2130 / LPC2138:
>
>r0 =    0x00000000
>r1 =    0x4000f6f4
>cpsr =  0x800000df
>pc =    0x400000b4
>
>strcc   r0, [r1], #4    <<<< causes 'data abort', goes to 0x00000010

Doesn't the 2138 only have 32K RAM?  R1 is well above that point.  You are 
trying to access an area to no memory.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
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                         Kelvin Throop, III