HT82M23A/HT82M23B/HT82M23C

3/5-Key USB+PS/2 Optical Mouse Controller

Selection Table

Part No.

Interface

Mode

USB Product ID

Package

HT82M23A

USB and PS/2

Windows 2000

048EH

20DIP/SOP

HT82M23B

USB and PS/2

3D

0499H

18DIP/SOP

HT82M23C

USB only

3D

0499H

18DIP/SOP

Rev. 1.10

1

January 22, 2007

Features

5-button Wheel Mouse

compatible

(optomechanical and mechanical)

compatibility

function

consumption

and ADNS-2620

HT82M21A

HT82M23B/HT82M23C: 18-pin DIP/SOP package

General Description

HT82M23A/HT82M23B/HT82M23C is a Plug and Play

Windows 2000 and 5-button 3D USB+PS/2 Mouse con-

troller. The HT82M23A/HT82M23B/HT82M23C can

support the USB Standard Request as well as HID Class

Request version 1.1. It is compatible with Microsoft Intelli

3D or Windows 2000 5 key PS/2 mouse. The Z-axis can

support two kinds of scroller input, namely; mechanical

and optomechanical. It requires minimal external com-

ponents to implement 3D or Windows 2000 5 key USB

plus PS/2 mouse. All its features combined and make

up this versatile Holtek 8-bit MCU with an on-chip USB

interface logic. The USB is specified by the Universal

Serial Bus Specification V2.0.

The USB vendor ID for HT82M23A/HT82M23B/

HT82M23C is defined as 04D9H, the USB product ID is

different by different package