■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 µs/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