GENERAL DESCRIPTION

The MSM64172 is a low-power 4-bit microcontroller that incorporates Okis original CPU core nX-4/20. The MSM64172 has a minimum instruction execution time of 5 ms (@ 600 kHz and 3.0 V). The device includes an internal 2016-byte program memory, 128-nibble data memory, two 4-bit input-output ports, 4-bit input port, 8-bit synchronous serial port, LCD driver for up to 92 segments, and buzzer output port. Applications include low-power products with LCD functions.