This part is a kind of semiconductor called TMP91FU62FG.

Function of this product has 16 Bit Microcontroller.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

16 Bit Microcontroller TLCS-900/L1 Series TMP91FU62FG TMP91FU62DFG Revision 1.1 TOSHIBA CORPORATION The information contained herein is subject to change without notice. TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA [ ... ]

TMP91FU62FG PDF Datasheet Download