The EM78P259N is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS
technology. The device has an on-chip 2K×13-bit Electrical One Time Programmable Read Only Memory
(OTP-ROM). It provides a protection bit to prevent intrusion of user’s code. Three Code option words are
also available to meet user’s requirements.
With its enhanced OTP-ROM feature, the EM78P259N provides a convenient way of developing and
verifying user’s programs. Moreover, this OTP device offers the advantages of easy and effective program
updates, using development and programming tools. User can avail of the ELAN Writer to easily program his
development code.
