MB89P185PF-103 datasheet(10/48 Pages) FUJITSU

Part #	MB89P185PF-103

Description	8-bit Proprietary Microcontroller

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Manufacturer	FUJITSU [Fujitsu Component Limited.]

Direct Link	http://edevice.fujitsu.com/fmd/en/index.html

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10 / 48 page

MB89180L Series

10

s PIN DESCRIPTION

(Continued)

Pin no.

Pin name

I/O

circuit

type

Function

SQFP*1

QFP*2

MQFP*3

QFP*4

39

40

X0

A

Crystal or other resonator connector pins for the main clock.

The external clock can be connected to X0. When this is done, be

sure to leave X1 open.

38

39

X1

40

41

MODA

C

Memory access mode setting pin.

Connect directly to VSS.

43

44

RST

D

Reset I/O pin.

This pin is an N-ch open-drain output type with a pull-up resistor,

and a hysteresis input type. “L” is output from this pin by an

internal reset request (optional).

The internal circuit is initialized by the input of “L”.

44 to 51

45 to 52

P07/INT27 to

P00/INT20

E

General-purpose I/O ports.

Also serve as an external interrupt 2 input (wake-up function).

External interrupt 2 input is hysteresis input.

21 to 23

22 to 24

P10/SEG24/

INT10 to

P12/SEG26/

INT12

E/K

General-purpose I/O ports.

Also serve as input for external interrupt 1 input.

The interrupt 1 input is a hysteresis type.

Also serve as LCD controller/driver segment output.

Switching is done by the mask option.

25

26

P13/SEG27/

INT13

26 to 29

27 to 30

P14/SEG28 to

P17/SEG31

F/K

General-purpose I/O ports.

Also serve as LCD controller/driver segment output.

Switching is done by the mask option.

37

38

P20/EC

H

General-purpose N-ch open-drain I/O port.

Also serves as the external clock input for the 8-bit timer counter.

The resource is a hysteresis input type.

36

37

P21

I

General-purpose N-ch open-drain I/O port.

35

36

P22/TO

I

General-purpose N-ch open-drain I/O port.

Also servers as the 8-bit timer/counter output.

34

35

P23/SI

H

N-ch open-drain general-purpose I/O port.

Also serves as the data input for the serial I/O.

The peripheral is a hysteresis input type.

33

34

P24/SO

I

N-ch open-drain general-purpose I/O port.

Also serves as the data output for the 8-bit serial I/O.

32

33

P25/SCK

H

N-ch open-drain general-purpose I/O port.

Also serves as the clock I/O for the 8-bit serial I/O.

The peripheral is a hysteresis input type.

31

32

P26

I

N-ch open-drain general-purpose I/O port.

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