> -----Original Message-----
> From: 
> [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED]
> org] On Behalf Of Weddington, Eric
> Sent: Sunday, November 16, 2008 7:52 AM
> To: Joerg Wunsch; avr-libc-dev@nongnu.org
> Subject: RE: [avr-libc-dev] compiler support of new devices
> 
>  
> 
> > As Weddington, Eric wrote:
> > 
> > > > atmega128a atmega168pa atmega16a atmega324pa atmega32a 
> atmega32u6
> > > > atmega64a atmega88pa atmega8a attiny13a
> > 
> > > Many of those devices you listed have not been formally released
> > > yet, so support has not been added.
> > 
> > The question is whether we really want to do anything for 
> them (except
> > for the ATmega32U6, of course).  As far as I understand, all the "A"
> > parts are metal shrink devices which are not supposed to cause any
> > end-user visible change.  All the registers are the same, the device
> > signature is the same as for the corresponding non-A device.  From a
> > toolchain's point of view, they are completely identical to 
> the non-A
> > parts,
> 
> You are incorrect.
> 
> For example the ATtiny13A now includes registers PRR and 
> BODCR, that were not included in the ATtiny13.
> 

Note, that this is the reasons why there is now separate support for these two 
devices in the toolchain.


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