EM78P257
OTP ROM
1. GENERAL DESCRIPTION
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.
This specification is subject to change without prior notice.
3
07.27.2004 (V1.4)