MB89173 datasheet(8/50 Pages) FUJITSU

Part #	MB89173

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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8

MB89170/170A/170L Series

s PIN DESCRIPTION

(Continued)

*1: FPT-48P-M16

*2: MQP-48C-P01

Notes:

On the MB89170L series, DTMF pin (Pin No.:1), X0A pin (Pin No.:8) and X1A pin (Pin No.:9) are N.C. pins.

Please connect them with GND.

Pin no.

Pin name

Circuit type

Function

QFP*1

MQFP*2

5

X0

A

Main clock crystal oscillator pins

6X1

8

X0A

B

Subclock oscillation pins (32.768 kHz)

9X1A

3

MOD0

C

Operation mode selecting pins

Connect directly to VCC or VSS.

4MOD1

2RST

D

Reset I/O pin

This pin is of an N-ch open-drain output type with pull-up

resistor and of hysteresis input type.

“L” is output from this pin by an internal reset source (optional

function).

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

34 to 27

P00/INT20 to

P07/INT27

E

General-purpose I/O ports

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

External interrupt input is a hysteresis input.

26 to 20, 18

P10 to P17

F

General-purpose I/O ports

17 to 10

P20 to P27

H

General-purpose output ports

42

P30/SCK

G

General-purpose I/O port

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

This port is of hysteresis input type.

41

P31/SO

G

General-purpose I/O port

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

This port is of hysteresis input type.

40

P32/SI

G

General-purpose I/O port

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

This port is of hysteresis input type.

39

P33/EC

G

General-purpose I/O port

Also serves as an external clock input for a 8-bit timer/

counter.

This port is of hysteresis input type.

38

P34/TO/INT0

G

General-purpose I/O port

Also serves as the overflow output for the 8-bit timer/counter

and an external interrupt 1 input.

This port is of hysteresis input type.

36,

37

P36/INT2,

P35/INT1

G

General-purpose I/O ports

Also serve as an external interrupt 1 input.

These ports are of hysteresis input type.

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