HT82M28A -- 3/5-Key USB Vista Tilt Optical Mouse Controller

General Description

HT82M28Ais 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 Windows Vista 7 key USB 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 product ID of 5 key mode is 2083H, and the USB product ID of 3 key mode is 2082H.

Features

  • 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)
  • 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, and P3101
  • Pass USB-IF and EMC testing
  • 20-pin DIP/SOP package

Technical Document

Other Information