MB89910 データシートの表示（PDF） - Fujitsu

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MB89910

8-bit Proprietary Microcontroller

Fujitsu 

MB89910 Series

s BLOCK DIAGRAM

X0

X1

X0A/P60

X1A/P61

Main clock

oscillator

Clock controller

Subclock oscillator

(32.768 kHz)

CMOS input port

Watch prescaler

P30/AN0 to 4

P33/AN3

AVR

AVSS

P34/AN4 to 4

P37/AN7

Low-voltage

detection reset

N-ch open-drain I/O port

8-bit A/D

converter

CMOS I/O port

RAM

F2MC-8L

CPU

ROM

Other pins

VCC, VSS, TEST

18

Timebase timer

Reset circuit

(Watchdog timer)

High-voltage output 8

port 1

RST

VFDP

P10 to P17

High-voltage output 8

port 2

P20 to P27

High-voltage output

port 5

Buzzer output

CMOS I/O port

8-bit serial I/O

P50

P51/BZ1

P01/BZ2

P02/ADST

P00

P07/SCK

P06/SO

P05/SI

8-bit PWM timer

P04/PWO

16-bit timer/counter

N-ch open-drain output port

External interrupt

CMOS I/O port

P03/EC

P42

P41/INT1

P40/INT0

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