MB89143 데이터 시트보기 (PDF) - Fujitsu

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MB89143

8-bit Proprietary Microcontroller

Fujitsu 

MB89143A/144A

(Continued)

Pin no.

SDIP*

44

Pin name

P31/INT1

45

P30/INT0

1

BZ

19 to 26,

11 to 18,

2 to 9

10

64

32

63

62

P47 to P40,

P57 to P50,

P67 to P60

N.C.

VCC

VSS

AVR

AVSS

* : DIP-64P-M01

Circuit type

Function

E

General-purpose I/O port

This port is an N-ch open-drain output and hysteresis

input type. Also serves as an external interrupt. The

interrupt input is a hysteresis input type and with a built-in

noise canceller.

I

General-purpose I/O port

This port is a hysteresis input type. Also serves as an

external interrupt. The interrupt input is a hysteresis input

type and with a built-in noise canceller.

G

Buzzer output-only pin

P-ch high-voltage open-drain output port

G

P-ch high-voltage open-drain output port

—

Be sure to leave them open.

—

Power supply pin

Also serves as an A/D converter power supply.

—

Power supply (GND) pin

—

A/D converter reference voltage input pin

—

A/D converter power supply pin

Use this pin at the same voltage as VSS.

8

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