MB89PV890CH View Datasheet(PDF) - Fujitsu

Part Name

Description

MFG CO.

MB89PV890CH

8-bit Proprietary Microcontroller

Fujitsu 

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MB89890 Series

s BLOCK DIAGRAM

RST

X0

X1

X0A

X1A

8

P00 to P07

Timebase timer

Reset circuit

(watchdog)

Oscillator

(max. 8 MHz)

Clock control

Oscillator

(32.768 kHz)

CMOS I/O port 0

8

P10 to P17

CMOS I/O port 1

8

P20 to P27

CMOS output port 2

DTMF

16

RAM

1.5 Kbytes or 2.0 Kbytes

F2MC-8L

CPU

ROM

48 Kbytes or 60 Kbytes

DTMF generator

The other pins

VCC × 2,VSS × 2

MOD0, MOD1

AVCC, AVR, AVSS

CMOS I/O port 3

8-bit

PWM timer

P30/PWM

Buzzer output

Modem timer

8-bit

serial I/O

P31/BUZR

P32/MSKI

P33

P34

P35/SK1

P36/SI1

P37/SO1

5

N-ch open-drain output port 4

P40 to P44

N-ch open-drain output port 5

8-bit

8

A/D converter

CMOS I/O port 6

8/16-bit timer

Modem output

8-bit serial I/O

with 1-byte buffer

8

P50/AN00

to P57/AN07

P60/TMO1

P61/TMO2

P62/TCLK

P63/MSKO

P64

P65/BSK1

P66/BSI1

P67/BSO1

N-ch open-drain I/O port 7

N-ch open-drain output port 8

CMOS I/O pots 9, A

12

External interrupt 2

4

External interrupt 1

P70/SK2

P71/SI2

P72/SO2

P73/BSK2

P74/BSI2

P75/BSO2

P76

P77

8

P80 to P87

8

P90/INT20

4 to P97/INT27

PA0/INT28

4 to PA3/INTB

PA4/INT0

to PA7/INT3

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