This part is a kind of semiconductor called AT80C52.

Function of this product has CMOS 0 to 44 MHz Single-chip 8 Bit Microcontroller.

Manufacturers : TEMIC Semiconductors

Image and pinout :

AT80C52 image and datasheet pinout



Some of the text within the PDF file :

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AT80C52 PDF Datasheet Download

2017/11/07 11:58 2017/11/07 11:58