This part is a kind of semiconductor called AC33M6128L.

Function of this product has 32-bit Cortex-M3 based Programmable Motor Controller.

Manufacturers : ABOV

Image and pinout :

Some of the text within the PDF file :

32-bit Cortex-M3 based Programmable Motor Controller AC33M8128 AC33M8128L AC33M6128L USER MANUAL Version 0.7 2015.2.6. Revision History: Date 2012/10/17 2014/1/20 2014/2/3 2014/2/7 2014/3/5 By MG Kim BC Lee BC Lee BC Lee LJ Deng 2014/3/17 2014/12/3 2015/2/6 BC Lee BC Lee SJ Park, BC Lee Version 0.0 0.1t 0.2 0.3 0.4 0.5 0.6 0.7 Description File created Temperature spec was changed with the range of -40~+85℃. LQFP-80, LQFP-64 PKG were added Typo errors were corrected Detail description of following contects were corrected: RSSR,PRER1,PER,PCER,CSCR,WDTCON,UnIER,MPWM description of PA11 Added current consumption in DC characteristic Correct LQFP-80 size as 12x12 Review, Maximum I/O Current and pin 2 / 250 ABOV Semiconductor ABOV Semiconductor 3 / 250 4 / 250 ABOV Semiconducto [ ... ]

AC33M6128L PDF Datasheet Download