This part is a kind of semiconductor called BJ8P153.

Function of this product has (BJ8P153 / BJ8P508) 8-BIT MICRO-CONTROLLER.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

BJ8P508/153 OTP ROM BJ8P508/153 8-BIT MICRO-CONTROLLER Version 2.0 BJ8P508/153 OTP ROM Application Note AN-001 Q & A on ICE53S AN-002 The Set-up Timing and Pin Change Wake-up Function Application AN-003 Internal RC Oscillator Mode This specification is subject to change without prior notice. 2 6. 17.2007 (V2.0) BJ8P508/153 OTP ROM 1. GENERAL DESCRIPTION BJ8P508/153 is an 8-bit microprocessor with low-power and high-speed CMOS technology. It is equipped with a 1024*13-bits Electrical One Time Programmable Read Only Memory (OTP-ROM) with it. It provides a PROTECTION bit to prevent intrusion of user’s code in the OTP memory well as 15 OPTION bits to match user’s rquirements. With its OTP-ROM fe [ ... ]

BJ8P153 PDF Datasheet Download