em78p257 ELAN Microelectronics Corp, em78p257 Datasheet - Page 3

• Manufacturer Part Number: em78p257
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

1. GENERAL DESCRIPTION
This specification is subject to change without prior notice.
EM78P257A/B is an 8-bit microprocessors with low-power, high speed CMOS technology. It features a
2K*13 bits Electrical One Time Programmable Read Only Memory (OTP -ROM) and provides a protect bit
to prevent from intruding on code, as well as 12 Option bits to accommodate user’s requirements.
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EM78P257
07.27.2004 (V1.4)
OTP ROM