This part is a kind of semiconductor called STC12C5A08.

Function of this product has (STC12C5A08 - STC12C5A60) 8-bit micro-controller.

Manufacturers : STC TECHNOLOGY

Image and pinout :

Some of the text within the PDF file :

STC TECHNOLOGY Co.,Ltd. STC12C5A08/16/32/60 8-bit micro-controller Features ............................................................................................................................. 3 General Description .......................................................................................................... 4 Order Information: ............................................................................................................ 4 Pin Description.................................................................................................................. 5 Pin Definition ............................................................................................................ 5 Pin Configuration ................................................... [ ... ]

STC12C5A08 PDF Datasheet Download