eKM8050
Preliminary
USB & PS/2 Optical Mouse Controller
1. General Description
The eKM8050 is a Mouse Controller designed to control both USB & PS/2 Optical Mouse device.
This Mouse Controller can auto detect USB or PS/2 mode, and supports X,Y,Z three axes , and
L, R, M three buttons under both USB and PS2 mode.
2. Features
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Universal Serial Bus Specification, version 1.1
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USB HID Specification, version 1.1
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 mechanical, Z/2 Photo, and Z/4 Photo(eKM8050B) Z-axis input type.
Support Agilent HDNS-2051 & 2610 & 2620 Optical Mouse Sensor.
Applications
3D, 3 Buttons USB and PS/2 Combo Mouse.
3. Pin assignment
CPIS 1 ꢁ
L KEY 2
18 Z1
17 Z2
R KEY 3
M KEY 4
SCLK 5
VSS 6
16 IR_C
15 PD
14 SDIO
13 D+/CLK
12 D-/Data
11 VDD
VSS 7
V3.3 8
OSCI 9
10 OSCO
eKM8050A (18-Pin)
1
2003/7/1
ELAN [ ELAN MICROELECTRONICS CORP ]
