RE: [avr-libc-dev] compiler support of new devices

[Weddington, Eric]

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Joerg Wunsch
> Sent: Sunday, November 16, 2008 12:33 AM
> To: address@hidden
> 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.

I have not yet had the opportunity to look into the other *A parts.