MB89923 データシートの表示（PDF） - Fujitsu

部品番号

コンポーネント説明

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MB89923

8-bit Proprietary Microcontroller

Fujitsu 

MB89920 Series

(Continued)

Pin no.

27

Pin name

P30/UI

28 to 31

32

P27 to P24

P23/RTI1

33,

P22,

34

P21

35

P20/RTI0

36 to 39 P07 to P04

40 to 43 P03/INT3 to

P00/INT0

44 to 51

57,

58

P17/AN7 to

P10/AN0

P45/V2,

P44/V1

59 to 62 P43/COM3 to

P40/COM0

63 to 70 P50/SEG0 to

P57/SEG7

71 to 78 P60/SEG8 to

P67/SEG15

79,

P70/SEG16,

80

P71/SEG17

1 to 6

P72/SEG18 to

P77/SEG23

7 to 11

P80/SEG24 to

P83/SEG27

52

53

54

55

56

15

8

AVSS

AVR

AVCC

VCC

V3

VSS

Circuit

type

E

D

E

D

E

D

E

G

F

F

F

F

F

F

F













Function

General-purpose I/O port

A pull-up resistor option is provided.

Also serves as a UART data input (UI).

General-purpose I/O ports

A pull-up resistor option is provided.

General-purpose I/O port

A pull-up resistor option is provided.

Also serves as an input capture data input.

General-purpose I/O ports

A pull-up resistor option is provided.

General-purpose I/O port

A pull-up resistor option is provided.

Also serves as an input capture data input.

General-purpose I/O ports

A pull-up resistor options is provided.

General-purpose I/O ports

A pull-up resistor options is provided.

Also serve as an external interrupt input (INT0 to INT3).

CMOS I/O ports

Also serve as an A/D converter analog input.

LCD driving power supply pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD driving power supply.

LCD common output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD common output.

LCD segment output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD segment output.

LCD segment output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD segment output.

LCD segment output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD segment output.

LCD segment output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD segment output.

LCD segment output pins

These pins can be used as an N-ch open-drain general-purpose

I/O when not used as an LCD segment output.

A/D converter power supply (GND) pin

A/D converter reference power supply pin

A/D converter power supply pin

Power supply pin

LCD driving power supply pin

Power supply (GND) pin

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