HT82M23A Datasheet, PDF (1/14 Pages) Holtek Semiconductor Inc – 3/5-Key USB+PS/2 Optical Mouse Controller

HT82M23A/HT82M23B/HT82M23C
3/5-Key USB+PS/2 Optical Mouse Controller
Features
· Operating voltage: 4.4V~5.25V
· Compatible with Microsoft Windows 2000 and
5-button Wheel Mouse
· Microsoft 3D Intelli mouse and IBM PS/2 mouse
compatible
· Supports 3/5 buttons and Z-axis input
· Z-axis can support two kinds of scroller input
(optomechanical and mechanical)
· 3 key or 5 key mode can be selected by package
· Complete Universal Serial Bus specs V2.0
compatibility
· Serial Bus Interface Engine (SIE)
· 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 ADNS-2051, ADNS-2610
and ADNS-2620
· Pass WHQL, USB-IF and EMC testing
· HT82M23A is pin compatible with HT82M22A
· HT82M23B/HT82M23C is pin compatible with
HT82M21A
· HT82M23A: 20-pin DIP/SOP package
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
Selection Table
Part No.
HT82M23A
HT82M23B
HT82M23C
Interface
USB and PS/2
USB and PS/2
USB only
Mode
Windows 2000
3D
3D
USB Product ID
048EH
0499H
0499H
Package
20DIP/SOP
18DIP/SOP
18DIP/SOP
Rev. 1.10
1
January 22, 2007