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■ DESCRIPTION

The MB89470 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 microcontroller contains a variety of peripheral functions such as 21-bit time-base timer, watch prescaler, PWC timer, PWM timer, 8/16-bit timer/counter, external interrupt 1 (edge), external interrupt 2 (level) , 10-bit A/D converter, UART/SIO, buzzer, watchdog timer reset.

The MB89470 series is designed suitable for home appliance as well as in a wide range of applications for consumer product.

■ FEATURES

? Package used

QFP package, LQFP package and SH-DIP package for MB89P475, MB89475 MQFP package for MB89PV470

? High-speed operating capability at low voltage

? Minimum execution time : 0.32 μs/12.5 MHz

? F2MC-8L family CPU core

Instruction set optimized for controllers

Multiplication and division instructions

16-bit arithmetic operations

Bit test and branch instructions

Bit manipulation instructions, etc.

? Six timers

PWC timer (also usable as an interval timer)

PWM timer

8/16-bit timer/counter × 2

21-bit timebase timer

Watch prescaler

? Buzzer

7 frequency types are selectable by software

? External interrupts

Edge detection (Selectable edge) : 4 channels

Low-level interrupt (Wake-up function) : 5 channels

? A/D converter (8 channels)

10-bit successive approximation type

? UART/SIO

Synchronous/asynchronous data transfer capable

? Low-power consumption modes

Stop mode (Oscillation stops to minimize the current consumption.)

Sleep mode (The CPU stops to reduce the current consumption to approx. 1/3 of normal.)

Subclock mode (for dual clock product)

Watch mode (for dual clock product)

? Watch dog timer reset

? I/O ports : Max 39 channels