MB89640 series is a general-purpose version of the F2MC*-8L series of single-chip microcontrollers. It is a single-chip microcontroller with a compact instruction set and a variety of peripheral functions.
This document describes the MB89640 series, a general-purpose family of proprietary 8-bit single-chip microcontrollers developed by Fujitsu Semiconductor. The devices feature an F2MC-8L CPU core optimized for controllers with multiplication/division instructions and 16-bit arithmetic operations.
The datasheet details the product lineup including MB89643, MB89645, MB89646, MB89647, MB89P647, and MB89PV640. Key features include a variety of timers (including 8-bit PWM and 16-bit timer/counter), dual 8-bit serial I/O interfaces, an 8-channel A/D converter, and low-power consumption modes such as stop, sleep, and watch modes.
| CPU Core | F2MC-8L family CPU core |
|---|---|
| Instruction Set | 136 instructions, 8-bit length |
| Operating Voltage | 2.2V to 6.0V (MB89643) |
| A/D Converter | 8-bit resolution, 8 channels |
| D/A Converter | 8-bit resolution, 2 channels |
The series includes MB89643, MB89645, MB89646, MB89647, MB89P647, and MB89PV640.
The minimum execution time ranges from 0.4 µs/10 MHz to 6.4 µs/10 MHz, or 61.0 µs/32.768 kHz.
The device has a total of 65 I/O ports, including CMOS input/output and N-ch open-drain outputs.