PICs have had these CPU independent logic blocks for a while too so it makes sense they ported the idea to AVR too. I don’t remember exactly how many “things”

PICs have had these CPU independent logic blocks for a while too so it makes sense they ported the idea to AVR too. I don’t remember exactly how many “things” you can do with them in comparison to PIO though. Probably a lot less, as it’s pure gates and not a set of extra instructions like PIO.