Lpc2000

--- In lpc2000@yahoogroups.com, "douglasbolton" <doug@c...> wrote:
> I've now got it down to any write to the EXTMODE register causes 
the 
> processor to fail.
> 
> Even writing the reset value of 0x0 to it causes a problem. Below 
is 
> the IAR assembler used to write the register with 0x0. I can't see 
> anything wrong with this. However as soon as the register is 
written, 
> see you later from the processor.
> 
> //  273 	EXTMODE = 0x0;		
>    LDR         R3,??LPC210xInitExtIntPin_0+8  ;; 0xe01fc148
>    MOV         R1,#+0x0
>    STR         R1,[R3, #+0]
> 
> 
> Has anybody else out there accessed the EXTMODE register on an 
> lpc2129??

The errata sheet mentions an issue with writing to EXTPOLAR or 
EXTMODE.

Karl Olsen