Datasheet > HT82M398A(16DIP)

HT82M398A(16DIP)

更新时间： 2024-09-20 23:56:47

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描述
Controller Miscellaneous - Datasheet Reference

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HT82M398A(16DIP) 数据手册

HT82M398A

WIN2000 3D PS/2 Mouse Controller

Features

Operating Voltage: 4.75V~5.25V

Supports three buttons and three axes (X, Y, Z)

inputs

Compatible with Microsoft Windows 2000 and

5-button Wheel Mouse

Z axis can support two kinds of scroller input

(optomechanical and mechanical)

Compatible with Microsoft Intelli 3D PS/2 and IBM

PS/2 mouse

2MHz RC oscillator for system frequency with

external pull-high resistor

Supports rolling buttons in PS/2 mouse mode

16-pin DIP package

X/Y axis photo input with built-in Holtek¢s special

dynamic photo-input resistor

General Description

The HT82M398A is a Plug and Play WIN2000 and

5-button 3D PS/2 mouse controller. It is also compatible

with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse. The

Z axis can support two kinds of scroller input, namely;

mechanical and optomechanical.

Pin Assignment

Pin Description

Pin No.

Pin Name

I/O

Description

Z, axis input supports two kinds of scroller input, namely; optomechanical and me-

chanical.

1, 2

Z1, Z2

VDD

Positive power supply

Button 5, normal pull-low (50kW), Press connect to high.

Negative power supply, ground

VSS

2MHz RC oscillator for system frequency with external pull-high resistor and built-in

Capacitor.

OSCI

CLK

I/O

CLK I/O, PS/2 mouse CLK line. NMOS open drain output with 5kW pull-high resistor.

DATA I/O, PS/2 mouse DATA line. NMOS open drain output with 5kW pull-high re-

DATA

sistor.

Right Button: Normal pull-low (50kW),

Pressing the button connects to high.

Rolling Button: Normal pull-low (50kW),

Pressing the button connects to high.

Left Button: Normal pull-low (50kW),

Pressing the button connects to high.

9~11

RB, RO, LB

Button 4, normal pull-low (50kW), Press connect to high.

13~16 X1, X2, Y1, Y2

X/Y axis photo input with built-in Holtek¢s special dynamic photo input resistor

Rev. 1.20

August 20, 2002

12 3 4 5 6 7

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