> > I am not sure you can implement any kind of protection that would be
> > purely
> > software. Anyway, all ARM7 cores have some sort of
> protection mecanisms.
> > The
> > details depend on the actual core (some have full fledged
> MMU, others
> > only
> > a basic protection unit). You should be able to find details on the
> > memory system for your particular core on ARM's site.
> >
>
The arm7tdmi doesn't have an mmu or protection unit, you need a 720 or 740 for that.
See http://www.arm.com/armtech/ARM7_Thumb?OpenDocument for more info
Clive
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