MB89120 データシートの表示（PDF） - Fujitsu

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MB89120

8-bit Proprietary Microcontroller

Fujitsu 

s BLOCK DIAGRAM

X0

X1

Main clock oscillator

Clock controller

X0A

Subclock oscillator

X1A

(32.768 kHz)

P00/(INT20) to 8

P07/(INT27)

8

P10 to P17

CMOS I/O port

External interrupt∗

(Wake-up)

8

P20 to P27

CMOS output port

RAM

F2MC-8L

CPU

ROM

MB89120/120A Series

Timebase timer

Reset circuit

(WDT)

8-bit timer/counter

RST

P34/TO/INT0

8-bit timer/counter

P33/EC/SCO

8-bit serial I/O

P30/SCK

P32/SI

P31/SO

External interrupt

Remote control

transmission

frequency generator∗

Buzzer output

CMOS I/O port

P35/INT1

P36/INT2

P37/BZ/(RCO)

N-ch open-drain output port

4

P40 to P43

The other pins

MOD0, MOD1, VCC, VSS

AVCC, AVR, AVSS

* : Only the MB89120A series has wake-up interrupt inputs and remote control transmission.

Note : Parenthesized pins are available only with the MB89120A series.

17

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