This part is a kind of semiconductor called LQFP128-P-1818E.
Function of this product has LQFP128-P-1818E.
Manufacturers : ETC
Image and pinout :

Some of the text within the PDF file :
LQFP128-P-1818E Unit: mm 20.00 ±0.20 18.00 ±0.10 96 65 64 (1.25) 18.00 ±0.10 128 33 1 (1.25) 0.50 0.20 ±0.05 32 0.10 M 1.70 max. 1.40 ±0.10 (1.00) 0.25 0.10 0° to 10° 0.50 ±0.20 (0.60) SEATING PLANE 0.10 ±0.10 20.00 ±0.20 97 0.15 ±0.05 [ ... ]
LQFP128-P-1818E PDF Datasheet Download
