MB89150 データシートの表示（PDF） - Fujitsu

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MB89150

8-bit Proprietary Microcontroller

Fujitsu 

MB89150/150A Series

s BLOCK DIAGRAM

X0

Main clock

X1

oscillator

Clock controller

X0A

Subclock oscillator

X1A

(32.768 kHz)

RST

Reset circuit

(WDT)

8

P00/INT20

to P07/INT27

4

P10/INT10

to P13/INT13

4

P14 to P17

8 External interrupt 2

(wake-up function)

CMOS I/O port

4

External interrupt 1

(wake-up function)

CMOS I/O port

RAM

(Max. 256 × 8bits)

F2MC-8L

CPU

ROM

(Max. 16 K × 8 bits)

Other pins

MOD0, MOD1, VCC, VSS

21-bit time-base

timer

8-bit timer/counter

P22/TO

8-bit timer/counter

P20/EC

8-bit serial I/O

P25/SCK

P24/SO

P23/SI

Buzzer output

N-ch open-drain I/O port

N-ch open-drain output port

16

LCD controller/

driver

36 × 4 bits

VRAM

P27/BUZ*4

2

P21*4,P26*4

4

P54/SEG32*3

to P57/SEG35*3

4

P50/SEG28*3

to P53/SEG31*3

4

P44/SEG24*3

to P47/SEG27*3

4

P40/SEG20*3

to P43/SEG23*3

20

SEG0 to SEG19

4

COM0 to COM3

4

V0 to V3

Reference voltage

generator and

booster*1

Remote control

output

N-ch open-drain output port

(Only P30 is a CMOS output type.)

P32/C0*2

P31/C1*2

P30/RCO

*1: Selected by mask option

*2: Used as ports without a reference voltage generator and booster

*3: Functions selected by mask option

*4: N-ch open-drain high-current drive type

19

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