This is not the right place for such questions since this is a user forum.
questions about dat files and chip support should go to support.
In this case i happen to have some info.
These chips are more like Xmega than normal AVR. This is not a case of adding a DAT file and it works.
In fact these and others like tiny817 have a complete new architecture. It looks like Xmega, but it is not the same. To me it seems the next gen Xmega. Some xmega options are removed, others are added.
The uART for example has a separate UDR for read and write. For interrupts there can be 1 with high prio.
So when you want to use these chips prepare to read the datasheets.
In 2082 you find the UPDI programmer. That was needed first in order to test these new chips.
I selected tiny816 since it is available in SOIC.
The nice things about xtiny is that all dat files are similar. Just like with xmega.
But what is not so nice is that it is hard to keep things compatible.
So when you never used Xmega, i would also recommend to study Xmega. At least the config statements.
But even Xmega users should prepare for changes.
Because of the amount of work with Xtiny it will be available as an add on. Which means that a next version will support xtiny but only with an add on.
With xtiny, is also meant other chips with updi interface like the mega you refer to. But initially only xtiny DAT files will be offered. The other processors need to be checked. I suspect some work there too.
The compiler is almost ready. Only TWI and SPI are left for test with hardware.
The dat requires some work for the CONFIG lines. At the moment i am writing some new samples and writing the help. _________________ Mark
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