ht82m28a Holtek Semiconductor Inc., ht82m28a Datasheet

ht82m28a

Manufacturer Part Number

ht82m28a

Description

Ht82m28a -- 3/5-key Usb Vista Tilt Optical Mouse Controller

Manufacturer

Holtek Semiconductor Inc.

Datasheet

1.HT82M28A.pdf (15 pages)

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Download datasheet (236Kb)

Features

General Description

HT82M28A is a Plug and Play 3D USB Mouse controller.

The HT82M28A can support the USB Standard Request

as well as HID Class Request version 1.1. The Z-axis

can support only Z/2 encoder scroller input. It requires

minimal external components to implement 3D and Win-

dows Vista 7 key USB mouse. All its features combined

Block Diagram

Rev. 1.20

Operating voltage: 4.4V~5.25V

Compatible with Microsoft Windows 2000 and

5-button Wheel Mouse

Supports 5/7 buttons and Z-axis input

Z-axis can support only encoder Z/2 scroller input

Complete Universal Serial Bus specs V2.0

compatibility

Vista tilt mouse protocol supported

3 key or 5 key mode can be selected by circuit

DPI can be selected high or low by circuit

Tilt or Non-tilt protocol can be selected by circuit

Serial Bus Interface Engine (SIE)

3/5-Key USB Vista Tilt Optical Mouse Controller

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 product ID of 5 key mode is 2083H, and the

USB product ID of 3 key mode is 2082H.

USB transceiver

Single chip solution especially for USB mouse

function

HALT function and wake-up feature reduce power

consumption

Plug and Play functions

Minimal external components

6MHz crystal oscillator for system clock

Interface compliant with A2610, A2620,

A5020, A5050 and P3101

Pass USB-IF and EMC testing

20-pin DIP/SOP package

HT82M28A

April 15, 2008

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