The MB89140 series is a line of single-chip microcontrollers that use the F2MC*-8L CPU core which can operate at low voltage but at high speed. The MB89140 series contains a variety of peripheral functions, such as timers, a serial interface, an A/D converter, and an external interrupt. The MB89140 series is applicable to a wide range of applications from welfare products to industrial equipment, including portable devices. *: F2MC stands for FUJITSU Flexible Microcontroller.