This part is a kind of semiconductor called R4F2117.

Function of this product has Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series.

Manufacturers : Renesas Technology

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Some of the text within the PDF file :

REJ09B0350-0200 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 H8S/2117Group Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series H8S/2117 R4F2117 All information contained in this material, including products and product specifications at the time of publication of this material, is subject to change by Renesas Technology Corp. without notice. Please review the latest information published by Renesas Technology Corp. through various means, including the Renesas Technology Corp. website (http://www.renesas.com). Rev.2.00 Revision Date: Feb. 20, 2008 [ ... ]

R4F2117 PDF Datasheet Download