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AW: [avr-gcc-list] Migrating avrgcc code from 8535 to atmega163 ?


From: Stumpf Michael
Subject: AW: [avr-gcc-list] Migrating avrgcc code from 8535 to atmega163 ?
Date: Thu, 17 May 2001 09:08:50 +0200

The interrupt vectors have a different size :
the 8535 vectors are 1 word (RJMP isr) vs. the mega163 2 word vectors (JMP isr)

There are some more (minor) differences in io registers (additional bits) and fuses
but the main problen was the vector table

regards
Michael

> -----Urspr√ľngliche Nachricht-----
> Von: address@hidden [mailto:address@hidden]
> Gesendet: Mittwoch, 16. Mai 2001 23:29
> An: address@hidden
> Betreff: [avr-gcc-list] Migrating avrgcc code from 8535 to atmega163 ?
>
>
> Hello,
>
> I'm migrating from 8535 (ran out of prog space) to ATMega163. My 8535
> project, compiled for mega163, crashes already at the start
> (scanning i2c
> bus on regular I/O pin, realtime clock, ...).
>
> If someone could briefly point to needed code modifications and CPUs
> dissimilarities (registers, initialization, ...), it would
> save a lot of
> time.
>
> Thanks in advance,
>
> Robert Rozman
>
>
>
>
>
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