General Description

HT82M21A is a 3D mouse controller especially designed for USB and PS/2 applications. The HT82M21A 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.

Features

Operating voltage: 4.4V~5.25V

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 three buttons (R, M, L) and Z-axis 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

18-pin DIP package