This part is a kind of semiconductor called 64F3664.
Function of this product has HD64F3664.
Manufacturers : Renesas
Image and pinout :

Some of the text within the PDF file :
REJ09B0142-0500Z The revision list can be viewed directly by clicking the title page. The revision list summarizes the locations of revisions and additions. Details should always be checked by referring to the relevant text. 16 H8/3664Group Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series H8/3664N H8/3664F H8/3664 H8/3663 H8/3662 H8/3661 H8/3660 HD64N3664 HD64F3664, HD6433664, HD6433663, HD6433662, HD6433661, HD6433660 Rev.5.00 Revision Date: Mar. 18, 2004 Rev. 5.00, 03/04, page ii of xxviii Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that tr [ ... ]
64F3664 PDF Datasheet Download
