Reference	Quantity	Description	Digikey
C4,C5	2	100nF, 0603	490-1532-1-ND
R5	1	10k, 0603	541-10.0KHCT-ND
R6	1	100R, 0603	541-100HCT-ND
R7	1	51R, 0603	541-51.0HCT-ND
U2	1	ATXMEGA128D4-AU	ATXMEGA128D4-AU-ND
U2	1	ATXMEGA128A4U-AU	ATXMEGA128A4U-AU-ND
J4,J5,J6	3	20-pin male hdr	609-5100-ND