Atmel to Arduino Pin Mappings

Everyone should have this image from Tinkerlog printed out and handy. It’s such a waste of time to search for the mapping between Atmel physical pins and what the Arduino environment calls ‘pins’.

 

And corresponding mappings for the AT 84, which aren’t in the image above:

 

Slightly ‘better’ views of the hardware pin functions of the Atmel Tiny 84 and 85 from the data sheets:
And the bigger brothers, the 168 and 328 DIP package versions:

 

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