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EM84520

ELAN Microelectronics Corp
Part Number EM84520
Manufacturer ELAN Microelectronics Corp
Description 2-IN-ONE SCROLLING MOUSE CONTROLLER
Published Apr 2, 2005
Detailed Description EM84520 2-IN-ONE SCROLLING MOUSE CONTROLLER ary n i m i l e Pr GENERAL DESCRIPTION The EM84520 Scrolling Mouse Controll...
Datasheet PDF File EM84520 PDF File

EM84520
EM84520

Overview
EM84520 2-IN-ONE SCROLLING MOUSE CONTROLLER ary n i m i l e Pr GENERAL DESCRIPTION The EM84520 Scrolling Mouse Controller is specially designed to control serial mouse or PS/2 mouse device.
This single chip can interface three key-switches and 4 X-Y photo-couples plus Z-axis directly to RS-232C or 8042 controller.
There are four types Z-axis inputs used to implement scrolling mouse functionality.
FEATURES Using 50kΩ ±1% resistor for RC oscillation.
Compatible with legacy PS/2 mouse.
Compatible with Microsoft serial scrolling mouse.
Compatible with Microsoft PS/2 scrolling mouse.
Serial or PS/2 port auto-detect.
100 bytes PnP ID code could be filled by code layer.
Built-in noise immunity ci...


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