ELAN Home Systems EM78P458 - Manual (Page 3)

EM78P458/459
OTP ROM
1. GENERAL DESCRIPTION
EM78P458 and EM78P459 are 8-bit microprocessors designed and developed with low-power and
high-speed CMOS technology. It is equipped with a 4K*13-bit Electrical One Time Programmable Read
Only Memory (OTP-ROM). With its OTP-ROM feature, it is able to offer a convenient way of developing
and verifying user’s programs. Moreover, user can take advantage of EMC Writer to easily program his
development code.
This specification is subject to change without prior notice. 07.01.2003 (V1.3) 3