Notice that the LFBGA144 package for the ATSAM3X8E is twice smaller than the actual LQFP144 of the Arduino Due.
LFBGA144
10 x 10 x 1.4 mm
LQFP144
20 x 20 x 2.4 mm
Here a picture of both together with the Arduino DUE.
Notice that the LFBGA144 package for the ATSAM3X8E is twice smaller than the actual LQFP144 of the Arduino Due.
LFBGA144
10 x 10 x 1.4 mm
LQFP144
20 x 20 x 2.4 mm
Here a picture of both together with the Arduino DUE.