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■ DESCRIPTION

The MB89640 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, a PWM timer, serial interface, an A/D converter, a D/A converter, an external interrupt, and a watch prescaler.

■ FEATURES

? F2MC-8L family CPU core

Instruction set optimized for controllers

Multiplication and division instructions

16-bit arithmetic operations

Test and branch instructions

Bit manipulation instructions, etc.Six types of timers

? 8-bit PWM timer: 2 channels (also usable reload timer)

8-bit pulse width counter (continuous measurement capable and applicable to remote control)

16-bit timer/counter

21-bit time-base counter

15-bit watch prescaler

? Two 8-bit serial I/O

Swichable transfer direction allows communication with various equipment.

? 8-bit A/D converter: 8 channels

Sense mode function enabling comparison at 12 instructions

Activation by external input capable

? External interrupt 1, external interrupt 2: 9 channels

? 8-bit D/A converter: 2 channels

8-bit R-2R type

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

? Bus interface functions

Including hold and ready functions