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RSM84510 - PS/2 Scrolling Mouse Controller

General Description

The RSM84510 Scrolling Mouse Controller is specially designed to control PS/2 mouse device.

This single chip can interface three key-switches four photo-couples plus z-axis direct to 8042 controller.

Key Features

  • ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ ¡¤ Using 51k¡À 5% resistor for RC oscillation. Compatible with legacy PS/2 mouse. Compatible with Microsoft scrolling mouse. Built-in noise immunity circuit. Built-in current comparator for photo-couples input. Built-in three step dynamic input impedance. Three key-switches and four photo-couples inputs. Six types Z direction input: www. DataSheet4U. com ¡¤ ¡¤ ¡¤ ¡¤ 4.Mechanical input. (Z/1) 1.Photo couples input. (Z/1) 5.Photo couples input. (Z/4) 2.Key-switches input. 6.Mech.

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Datasheet Details

Part number RSM84510
Manufacturer Unknown Manufacturer
File Size 671.25 KB
Description PS/2 Scrolling Mouse Controller
Datasheet download datasheet RSM84510 Datasheet

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com RSM84510 PS/2 SCROLLING MOUSE CONTROLLER GENERAL DESCRIPTION The RSM84510 Scrolling Mouse Controller is specially designed to control PS/2 mouse device. This single chip can interface three key-switches four photo-couples plus z-axis direct to 8042 controller. RSM84510 can receive command and echo status or data format which are compatible with IBM PS/2 mode mouse. Key debouncing circuit is provided to prevent false entry and improve the accuracy. In the traditional mouse, a great number of noises are generated when the grid is partially closed or opened. These noises are usually mistaken for movement signals by traditional mouse controller and the cursor of the display screen is thus moved frequently up and down or back and forth.