HT82M22 datasheet(1/6 Pages) HOLTEK

Part #	HT82M22

Description	5-Key 3D USBPS/2 Optical Mouse Controller

PDF	6 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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1 / 6 page

HT82M22A

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

Block Diagram

Rev. 1.10

1

August 4, 2004

Features

· Operating voltage: 4.4V~5.25V

· Compatible with Microsoft Windows 2000 and

5-button Wheel Mouse

· Complete Universal Serial Bus specs V1.1

compatibility

· Serial Bus Interface Engine (SIE)

· USB transceiver

· Microsoft 3D Intelli mouse and IBM PS/2 mouse

compatible

· Supports five buttons and Z-axes input

· Z-axis can support two kinds of scroller input

(optomechanical and mechanical)

· 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 ADNS-2051, ADNS-2610

and ADNS-2620

· Pass WHQL, USB-IF and EMC testing

· 20-pin DIP package

General Description

HT82M22A is a Plug and Play Windows 2000 and

5-button 3D USB+PS/2 Mouse controller. The

HT82M22A can support the USB Standard Request as

well as HID Class Request version 1.1. It is compatible

with Microsoft Intelli 3D 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 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 Specifica-

tion V1.1.

U S B

T r a n s c e i v e r

U S B

R e c e i v e r

U S B

T r a n s m i t t e r

V o l t a g e

R e g u l a t o r

C l o c k

G e n e r a t o r

R C

R E S E T

R e g i s t e r

S e t

M a i n

S t a t e m a c h i n e

S u s p e n s i o n

C o n t r o l

U S B S e r i a l

I n t e r f a c e E n g i n e

( S I E )

a n d

C o n t r o l

L o g i c

H o l t e k

8 - b i t

M i c r o c o n t r o l l e r

F I F O s ´ 2

U S B D +

U S B D -

V 3 3 O

O S C 1

O S C 2

V D D

V S S

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HT82M22 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

HT82M22 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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