This part is a kind of semiconductor called 78F9116A.
Function of this product has UPD78F9116A.
Manufacturers : NEC
Image and pinout :

Some of the text within the PDF file :
User’s Manual µPD789104A, 789114A, 789124A, 789134A Subseries 8-bit Single-chip Microcontrollers DataShee µ PD789101A µ PD789102A µ PD789104A µ PD789111A µ PD789112A µ PD789114A µ PD78F9116A µ PD789101A(A) µ PD789102A(A) µ PD789104A(A) µ PD789111A(A) µ PD789112A(A) µ PD789114A(A) µ PD789121A µ PD789122A µ PD789124A µ PD789131A µ PD789132A µ PD789134A µ PD78F9136A µ PD789121A(A) µ PD789122A(A) µ PD789124A(A) µ PD789131A(A) µ PD789132A(A) µ PD789134A(A) Document No. U14643EJ1V0UM00 (1st edition) Date Published June 2000 NS CP(K) Printed in Japan © 2000 DataSheet 4 U .com [MEMO] etcom DataShee 2 User [ ... ]
78F9116A PDF Datasheet Download
