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■DESCRIPTION

The MB89180L series is a line of the general-purpose, single-chip microcontrollers. In addition to a compact

instruction set, the microcontrollers contain a variety of peripheral functions such as an LCD controller/driver,

timers, a serial interface, and external interrupts.

■FEATURES

?F2

MC-8L family CPU core

? Dual-clock control system

? Maximum memory size: 16-Kbyte ROM, 512-byte RAM (Max)

? Minimum execution time: 0.95 ?s/4.2 MHz

? I/O ports: Max 43 channels

? 21-bit time-base timer

? 8/16-bit timer/counter: 2 or 1 channels

? 8-bit serial I/O: 1 channel

? External interrupts (wake-up function): Four channels with edge detection plus eight level-interrupt channels

? Watch prescaler (15 bits)

? LCD controller/driver: 32 segments ×4 commons (Max 128 pixels)

? LCD driving reference voltage generator

? Remote control transmission output

? Buzzer output

? Power-on reset function (option)

? Low-power consumption modes (stop, sleep, and watch mode)

? CMOS technology