This part is a kind of semiconductor called 68HC05P4A.

Function of this product has SPECIFICATION (General Release).

Manufacturers : Freescale Semiconductor

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Some of the text within the PDF file :

Freescale Semiconductor, Inc. HC05P4AGRS/D REV 2.0 68HC05P4A SPECIFICATION Freescale Semiconductor, Inc... (General Release) © December 27, 1995 CSIC MCU Design Group Oak Hill, Texas For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. GENERAL RELEASE SPECIFICATION TABLE OF CONTENTS Section Title SECTION 1 GENERAL DESCRIPTION 1.1 1.2 1.3 1.4 1.5 1.5.1 1.5.2 1.5.3 1.5.4 1.5.5 1.5.6 1.5.7 1.5.8 1.5.9 1.6 Features .. 1-1 Mask Options .. 1-2 MCU Structure .. [ ... ]

68HC05P4A PDF Datasheet Download