UT84520 - PS/2 SCROLLING MOUSE CONTROLLER

Unisonic Technologies

UT84520 Datasheet Preview — Preview of UT84520 PDF

Datasheet Details

Part number	UT84520
Manufacturer	Unisonic Technologies
File Size	135.58 KB
Description	PS/2 SCROLLING MOUSE CONTROLLER
Datasheet	UT84520_UnisonicTechnologies.pdf

UT84520 Product details

Description

The UT84520 Scrolling Mouse Controller is specially designed to control PS/2 mouse device.This single chip can interface with three key-switches and 4X-Y photo-couples plus Z-axis directly to 8042 controller.

Features

Using 50KΩ+5% resistor for RC oscillation．.
Compatible with legacy PS/2 mouse．.
Compatible with Microsoft PS/2 scrolling mouse．.
Built-in noise immunity circuit．.
The sampling rate of motion detector is up to 65KHz．.
Built-in three step dynamic input impedance． DIP-16.
Three key-switches and four photo-couples inputs．.
Photo couple test mode included﹒.
Low power dissipation．.
Two types Z direction input: 1.Photo couples input 2.Mechanical input UTC UN.

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Published: Apr 16, 2005 |