MB89913 datasheet(8/53 Pages) FUJITSU

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MB89910 Series

s PIN DESCRIPTION

(Continued)

*1: DIP-48P-M01

*2: FPT-48P-M15

*3: MDP-64C-P02

Pin no.

Pin name

Circuit

type

Function

SH-

DIP*1

QFP*2

MDIP*3

Main clock crystal oscillator pins

X0A/P60

These pins can select either general-purpose CMOS

inputs or subclock oscillator pins by the mask options.

When these pins are used as a general-purpose input

pin, the pin is a hysteresis input with a built-in noise

canceller.

X1A/P61

RST

Reset I/O pin

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

resistor and a hysteresis input type. “L” is output from

this pin by an internal source. The internal circuit is

initialized by the input of “L”. This pin is with a noise

canceller.

P00

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller.

P01/BZ2

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller. Also serves as a buzzer output.

P02/ADST

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller. Also serves as the external activation

pin for the A/D converter.

P03/EC

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller. Also serves as the external clock input

for the 16-bit timer/counter.

P04/PWO

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller. Also serves as the PWM output for

the 8-bit PWM timer.

13,

P05/SI,

P06/SO

General-purpose CMOS I/O ports

These port inputs are a hysteresis input, with a built-in

noise canceller. Also serve as serial data outputs for

the 8-bit serial interface.

P07/SCK

General-purpose CMOS I/O port

This port input is a hysteresis input, with a built-in

noise canceller. Also serves as the serial transfer

clock output for the 8-bit serial interface.

47 to 40

41 to 34

63 to 56

P10 to P17

P-ch high-voltage open-drain output ports for large

current

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