eKM8022
USB & PS/2
Mouse Controller
Product
Specification
D
OC
. V
ERSION
1.0
ELAN MICROELECTRONICS CORP.
April 2004
Trademark Acknowledgments:
IBM is a registered trademark and PS/2 is a trademark of IBM.
Windows is a trademark of Microsoft Corporation.
ELAN and ELAN logo
are trademarks of ELAN Microelectronics Corporation.
Copyright
2005 by ELAN Microelectronics Corporation
All Rights Reserved
Printed in Taiwan
The contents of this specification are subject to change without further notice. ELAN Microelectronics assumes
no responsibility concerning the accuracy, adequacy, or completeness of this specification. ELAN
Microelectronics makes no commitment to update, or to keep current the information and material contained in
this specification. Such information and material may change to conform to each confirmed order.
In no event shall ELAN Microelectronics be made responsible for any claims attributed to errors, omissions, or
other inaccuracies in the information or material contained in this specification. ELAN Microelectronics shall not
be liable for direct, indirect, special incidental, or consequential damages arising from the use of such information
or material.
The software (if any) described in this specification is furnished under a license or nondisclosure agreement, and
may be used or copied only in accordance with the terms of such agreement.
ELAN Microelectronics products are not intended for use in life support appliances, devices, or systems. Use of
ELAN Microelectronics product in such applications is not supported and is prohibited.
NO PART OF THIS SPECIFICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY
ANY MEANS WITHOUT THE EXPRESSED WRITTEN PERMISSION OF ELAN MICROELECTRONICS.
ELAN MICROELECTRONICS CORPORATION
Headquarters:
No. 12, Innovation Road 1
Hsinchu Science Park
Hsinchu, Taiwan 30077
Tel: +886 3 563-9977
Fax: +886 3 563-9966
http://www.emc.com.tw
Hong Kong:
Elan (HK) Microelectronics
Corporation, Ltd.
Rm. 1005B, 10/F Empire Centre
68 Mody Road, Tsimshatsui
Kowloon , HONG KONG
Tel: +852 2723-3376
Fax: +852 2723-7780
elanhk@emc.com.hk
USA:
Elan Information
Technology Group
1821 Saratoga Ave., Suite 250
Saratoga, CA 95070
USA
Tel: +1 408 366-8223
Fax: +1 408 366-8220
Europe:
Elan Microelectronics Corp.
(Europe)
Siewerdtstrasse 105
8050 Zurich, SWITZERLAND
Tel: +41 43 299-4060
Fax: +41 43 299-4079
http://www.elan-europe.com
Shenzhen:
Elan Microelectronics
Shenzhen, Ltd.
SSMEC Bldg., 3F, Gaoxin S. Ave.
Shenzhen Hi-Tech Industrial Park
Shenzhen, Guandong, CHINA
Tel: +86 755 2601-0565
Fax: +86 755 2601-0500
Shanghai:
Elan Microelectronics
Shanghai Corporation, Ltd.
23/Bldg. #115 Lane 572, Bibo Road
Zhangjiang Hi-Tech Park
Shanghai, CHINA
Tel: +86 021 5080-3866
Fax: +86 021 5080-4600
Contents
Product Specification (V1.0) 4.16.2004
iii
Contents
1 General
Description .................................................................................................. 1
2 Features ..................................................................................................................... 1
3 Pin
assignment.......................................................................................................... 2
3.1 eKM8022A (18-Pin) for 3D3K Z/2....................................................................... 2
3.2 eKM8022A (18-Pin) Bounding PAD................................................................. 2
3.3 eKM8022B (20-Pin) for 3D3K Z/4 ...................................................................... 3
3.4 eKM8022B (20-Pin) Bounding PAD................................................................. 3
4 Function
Description ................................................................................................ 4
4.1 Quadrature Signal Timing Diagram .................................................................... 4
4.1.1 XYZ Axis Counting .......................................................................................4
4.1.2 Quadrature
Output
Crossed Width Limit .............................................................5
4.2 PS/2 Function Description.................................................................................. 5
4.2.1 PS/2
Mouse
Commands Description ..................................................................5
4.2.2 Microsoft
PS/2
Scrolling Mouse ..........................................................................5
4.2.3 USB
function
Description ....................................................................................7
5
Absolute Maximum Rating ....................................................................................... 8
6 Electrical
Characteristic ........................................................................................... 8
7 Package
Diagram ...................................................................................................... 9
7.1 PDIP-18L 300MIL PACKAGE OUTLINE DIMENSION(Unit:mm) ....................... 9
7.2 PDIP-20L 300MIL PACKAGE OUTLINE DIMENSION(Unit:mm) ....................... 9
7.3 SOP-18L 300MIL PACKAGE OUTLINE DIMENSION(Unit:mm) ...................... 10
7.4 SOP-20L 300MIL PACKAGE OUTLINE DIMENSION(Unit:mm) ...................... 10
8
Pad List Information ................................................................................................11
8.1 eKM8022A
Pad
Configuration .......................................................................... 11
8.2 eKM8022A Pad Name & Coordinate Table ...................................................... 11
8.3 eKM8022B
Pad
Configuration.......................................................................... 12
8.4 eKM8022B Pad Name & Coordinate Table ...................................................... 12
9 Application
Circuit .................................................................................................. 13
9.1 NOTICE
DIAGRAM .......................................................................................... 13
9.2 COMPONENTS IN DETAIL.............................................................................. 13
9.3 eKM8022A_Mechanical Z/2 Application For Ball Type..................................... 14
9.4 eKM8022B_Photo_Z/4
Application
For
Ball
Type............................................. 14
9.5 eKM8022A_Mechanical Z/2 Application For OM02.......................................... 15
9.6 eKM8022B_Photo Z/4 Application For OM02 .................................................. 15
Contents
iv
Product Specification (V1.0) 4.16.2004
Specification Revision History
Doc. Version
Revision Description
Date
1.0 Preliminary
version
2004/04/16
eKM8022
USB & PS/2 Mouse Controller
Product Specification
(V1.0) 4.16.2004
1
(This specification is subject to change without further notice)
1 General
Description
The eKM8022 is a Mouse Controller designed to control both USB & PS/2 Mouse
device for XY Quadrature mode. This Mouse Controller can auto detect USB or PS/2
mode, and supports X, Y, Z three axes with 400/800 DPI(simulated by firmware), and L,
R, M three buttons under both USB and PS2 mode.
2 Features
Universal Serial Bus Specification, version 1.1
USB HID Specification, version 1.11
Auto-detecting PS/2 port or USB port.
Compatible with Microsoft 3D PS/2 mouse.
Support 3D (X,Y,Z) 3 Key (L,R,M) input.
Support Z/2 and Z/4 two Z-axis input type.
Support Agilent HDNS2000ADNS2051OM01OM02PixArt
PAN101BOI/BSI Optical Mouse Sensor.
800DPI simulated by firmware.
Applications
3D, 3 Buttons USB and PS/2 Combo Mouse
Package
18 Pin PDIP (300MIL) eKM8022AP 3D 3K Z/2
18 Pin SOP (300MIL) eKM8022AM 3D 3K Z/2
20 Pin PDIP (300MIL) eKM8022BP 3D 3K Z/4
20 Pin SOP (300MIL) eKM8022BM 3D 3K Z/4
PDF 
ZIP