HT82M25X -- 3/5-Key USB+PS/2 Optical Mouse Controller

General Description

These devices are Plug and Play Windows 2000 and 5-button 3D USB+PS/2 Mouse controllers. Fully supporting the USB standard request as well as HID Class Request version 1.1, they are compatible with Microsoft Intelli 3D or Windows 2000 5 key PS/2 mouse. The Z-axis can support two kinds of scroller input, both optomechanical and mechanical. The devices require a minimum of external components to implement a 3D or Windows 2000 5 key USB plus PS/2 mouse. All of the device features in combination provide a versatile Holtek MCU with fully integrated USB interface logic. The USB is specified by the Universal Serial Bus Specification V2.0.

The USB vendor ID for the devices is defined as 04D9H, the USB product ID is different for different packages.

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 spec. V2.0
    compatibility
  • Serial Bus Interface Engine (SIE)
  • USB transceiver
  • Single chip solution especially for USB mouse function
  • Power down function and wake-up feature reduce power consumption
  • Plug and Play functions
  • Minimal external components
  • 6MHz crystal system clock oscillator
  • Interface compliant with ADNS-5020
  • Passed WHQL, USB-IF and EMC testing
  • Range of packaging types

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