MB90F482 datasheet(12/113 Pages) FUJITSU

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MB90480/485 Series

(Continued)

*1 : LQFP : FPT-100P-M05

*2 : QFP : FPT-100P-M06

*3 : As for MB90V485, input pins become CMOS input.

Pin No.

Pin name

Circuit

type

Function

LQFP*1

QFP*2

50 to 55 52 to 57

P82 to P87

(CMOS/H)

These are general purpose I/O ports.

IRQ2 to IRQ7

External interrupt input pins.

P90

(CMOS/H)

This is a general purpose I/O port.

SIN1

Simple serial I/O data input pin.

CS0

Chip select 0.

P91

(CMOS)

This is a general purpose I/O port.

SOT1

Simple serial I/O data output pin.

CS1

Chip select 1.

P92

(CMOS/H)

This is a general purpose I/O port.

SCK1

Simple serial I/O data input/output pin.

CS2

Chip select 2.

P93

(CMOS/H)

This is a general purpose I/O port.

FRCK

When the free run timer is in use, this pin functions as the external

clock input pin.

ADTG

When the A/D converter is in use, this pin functions as the external

trigger input pin.

CS3

Chip select 3.

P94

(CMOS)

This is a general purpose I/O port.

PPG4

PPG timer output pin.

P95

(CMOS)

This is a general purpose I/O port.

PPG5

PPG timer output pin.

P96

(CMOS/H)

This is a general purpose I/O port.

IN0

Input capture channel 0 trigger input pin.

P97

(CMOS/H)

This is a general purpose I/O port.

IN1

Input capture channel 1 trigger input pin.

64 to 67 66 to 69

PA0 to PA3

(CMOS)

These are general purpose I/O ports.

OUT0 to OUT3

Output compare event output pins.

AVCC



A/D converter power supply pin.

AVRH



A/D converter external reference voltage supply pin.

AVSS



A/D converter power supply pin.

47 to 49 49 to 51 MD0 to MD2

J (CMOS/

)

Operating mode selection input pins.

VCC3



3.3 V

± 0.3 V power supply pins (VCC3) .

VCC5



MB90480

series

3.3 V

± 0.3 V power supply pin.

Usually, use VCC

= VCC3 = VCC5 as a 3 V power supply.

MB90485

series

3 V/5 V power supply pin.

5 V power supply pin when P20 to P27, P30 to P37,

P40 to P47, P70 to P77 are used as 5 V I/F pins.

Usually, use VCC

= VCC3 = VCC5 as a 3 V power supply

(when the 3 V power supply is used alone) .

VSS



Power supply input pins (GND) .

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