This part is a kind of semiconductor called EM78P153E.
Function of this product has 8-bit microprocessor.
Manufacturers : ELAN Microelectronics
Image and pinout :

Some of the text within the PDF file :
EM78P153E OTP ROM 1. GENERAL DESCRIPTION EM78P153E is an 8-bit microprocessor with low-power and high-speed CMOS technology. It is equipped with a 512*13-bits Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides a PROTECTION bit to prevent intrusion of user’s code in the OTP memory as well as 15 OPTION bits to match user’s requirements. With its OTP-ROM feature, the EM78P153E offers users a convenient way of developing and verifying their programs. Moreover, user developed code can be easily programmed with the EMC writer. This specification is subject to change without prior notice. 1 2002/03/01 EM78P153E OTP ROM 2. FEATURES • 14-lead packages : EM78P153E • Operating voltage range : 2.3V~5.5V • Available in temperature range: 0°C~70°C • Operating fr [ ... ]
EM78P153E PDF Datasheet Download
