hi im learning to lay out a pcb and want to put the atmega328 chip into it, i really just want to be double sure on the pin out of the chip, as ive got it layed out on my board pin8 +5 pin 9 crystal + cap pin 10 crystal +cap pin 20 +5 pin 22 Gnd pin 21 is this pin i wasnt too sure about is it…

Pinout of 328 chip

MarkT May 1, 2012, 8:32pm 5

Or use the Sparkfun library if using Eagle?

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