[Icc-avr] Reading fuses on Mega168

Edi Im Hof edi.imhof.ml at ihe.ch
Tue Apr 29 07:47:59 PDT 2008



Ian schrieb:
> 
> The actual definition of SPMSCR is
> 
> #define SPMCSR    (*(volatile unsigned char *)0x57)
> 
> which for some strange reason the compiler translates to 0x37.

This actually addresses the very same location. All the registers from 
$00 .. $3F are mirrored to $20 .. $5F

Witch leaves still the question why the compiler does this know ...
Are you really sure you are looking in the right file where the SPMCSR 
is defined?

Edi

> 
> Regard,
> 
> Ian James
> 

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