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■ DESCRIPTION

The MB89650AR series has been developed as a general-purpose version of the F2MC*-8L family consisting of proprietary 8-bit, single-chip microcontrollers.

In addition to a compact instruction set, the microcontrollers contain a variety of peripheral functions such as dual-clock control system, five operating speed control stages, timers, PWM timers, a serial interface, an A/D converter, external interrupts, an LCD controller/driver, and a watch prescaler.

■ FEATURES

? F2MC-8L family CPU core

? Dual-clock control system

? Maximum memory space: 64 Kbytes

? Minimum execution time: 0.4 μs/10 MHz

? Interrupt processing time: 3.6 μs/10 MHz

? I/O ports: max. 64 channels

? 21-bit time-base counter

? 8-bit PWM timers: 2 channels (A maximum of 4 channels can be used for output.)

? 8/16-bit timer/counter: 4 channels (16 bits × 2 channels)

? 8-bit serial I/O: 1 channel

? 8-bit A/D converter: 8 channels

? External interrupt 1

Four independent channels with edge detection function

? External interrupt 2 (wake-up function)

Twelve “L” level-interrupt channels

? Watch prescaler

? LCD controller/driver: 16 to 32 segments × 2 to 4 commons

? Power-on reset function

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

? SQFP-100 and QFP-100 packages