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UT84520

Unisonic Technologies
Part Number UT84520
Manufacturer Unisonic Technologies
Description PS/2 SCROLLING MOUSE CONTROLLER
Published Apr 16, 2005
Detailed Description UTC UT84520 PS/2 SCROLLING MOUSE CONTROLLER DESCRIPTION The UT84520 Scrolling Mouse Controller is specially designed to ...
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UT84520
UT84520

Overview
UTC UT84520 PS/2 SCROLLING MOUSE CONTROLLER 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． There are four types of Z-axis inputs used to implement scrolling mouse functionality． CMOS IC 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...


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