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■ OUTLINE

The MB89680 series is a line of single-chip microcontrollers. In addition to a compact instruction set, the microcontrollers contain a variety of peripheral functions such as dual-clock control system, four operating speed control stages, timers, PWM timer, a serial interface, a UART, an A/D converter, and an external interrupt.

■ FEATURES

? F2MC-8L family CPU core

? Dual-clock control system

? Maximum memory space: 64 Kbytes

? Minimum execution time: 0.5 ?s/8 MHz

? Interrupt processing time: 4.5 ?s/8 MHz

? I/O ports: max. 85 channels

? 21-bit timebase counter

? 8-bit PWM timer

? 8/16-bit timer

? UART

? Serial I/O with 1-byte buffer

? 8-bit A/D converter

? Pulse width counter

? Modem signal output

? External interrupts: 16 channels

? Power-on reset function

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

? CMOS technology