MSM63182A Datasheet PDF - Oki Electric Industry

GENERAL DESCRIPTION
The MSM63182A is an enhanced version of the MSM63182 in which supply currents have been improved.
The MSM63182A is a CMOS 4-bit microcontroller with built-in 512-dot matrix LCD drivers and operates at 0.9 V (min.). The MSM63182A is suitable for applications such as games, toys, watches, etc. which are provided with an LCD display.
The MSM63182A is an M6318x series mask ROM-version product of OLMS-63K family, which employs Okis original CPU core nX-4/250.
The MSM63P180 is the one-time-programmable ROM version of MSM63188/A, having one-time PROM (OTP) as internal program memory.
The MSM63P180 is used to evaluate the software development.