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EM84502S, EM84510, EM84510CP

Table of contents:
Info of EM84502S
Info of EM84510
Info of EM84510CP

EM84502S, EM84510, EM84510CP Selling Leads, Datasheet

MFG:EMC Package Cooled:DIP D/C:2007+

EM84502S, EM84510, EM84510CP Datasheet download

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Part Number: EM84502S

MFG: EMC

Package Cooled: DIP

D/C: 2007+

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EM84510 General Description

The EM84510 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. EM84510 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 dispaly screen is thus moved frequently up and down or back and forth. This will consume a great amount of energy. The EM84510 mouse controller provides noise immunity circuits to eliminat these noise in order to reduce energy consumption.

EM84510 Maximum Ratings

Parameter	Sym.	Ratings	Unit
Temperature under bias	T_OPR	0~70	°C
Storage temperature range	T_STR	-65~150	°C
Input voltage	V_IN	-0.3~6.0	V
Output voltage	V_O	-0.3~6.0	V

EM84510 Features

• Using 51k ±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:
    1. Photo couples input. (Z/1) 4. Mechanical input. (Z/1)
    2. Key-switches input. 5. Photo couples input. (Z/4)
    3. Voltage-sensing input. 6. Mechanical input. (Z/2)
• Both key-press and key-release debounce interval 12 ms.
• The sampilng rate of motion detector is about 65KHz.
• Low power dissipation.
• Package type:
    EM84510AP : 16DIP, Photo couples input. (Z/1)    EM84510DP: 16DIP, Mechanical input. (Z/1)
    EM84510BP : 16DIP, Key-switches input.              EM84510EP : 16DIP, Photo couples input. (Z/4)
    EM84510CP : 16DIP, Voltage-sensing input.          EM84510FP : 16DIP, Mechanical input. (Z/2)

EM84510 Connection Diagram

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