MB89490 데이터 시트보기 (PDF) - Fujitsu

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MB89490

8-bit Proprietary Microcontroller

Fujitsu 

MB89490 Series

■ Block Diagram

X0

Main clock

X1

oscillator

X0A

X1A

RST

P23

P26/PWM0

P27/PWM1

P21/RMC

P22/EC0

P20/TO0

P25/EC1

P24/TO1

P17/INT07 to 8

P10/INT00

P07 to P00 8

Clock controller

Sub-clock

oscillator

(PLL x 1,2,4)

Reset circuit

(Watchdog timer)

Watch prescaler

CMOS I/O port

8-bit PWM timer 0

8-bit PWM timer 1

Remote receiver

8/16-bit

timer/counter 00,01

8/16-bit

timer/counter 10,11

8 External interrupt 0

(edge)

CMOS I/O port

Port 0*1 CMOS I/O port

RAM (1K bytes / 2K bytes)

F2MC-8L

CPU

ROM (32K bytes / 48K bytes)

Other pins

Vcc x 2, Vss x 2, MOD0

*1: High current I/O port.

21-bit timebase

timer

10-bit

8

A/D converter

CMOS I/O port

External interrupt 1 8

(level)

I2C

N-ch open-drain I/O port

CMOS I/O port

UART/SIO

SIO

CMOS I/O port

2

LCD controller/driver

32 × 4-bit display

RAM (16 bytes)

16

CMOS I/O port

AVcc

AVss

AVR

P37/AN7/INT17

8 to

P30/AN0/INT10

P47/SDA

P46/SCL

6 P45 to P40

P84

P83

P82/SCK1

P81/SO1

P80/SI1

P52/SCK0

P51/SO0

P50/SI0

2 P54/COM3

to P53/COM2

16 SEG0

t0 SEG15

2 COM0

to COM1

3 V1

to V3

8 P67/SEG23

to P60/SEG16

8 P77/SEG31

to P70/SEG24

16

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