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
Universal Serial Bus Specification, version 1.1
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
R KEY
3
M KEY
4
SCLK
5
VSS
6
VSS
7
V3.3
8
OSCI
9
18
Z1
17
Z2
16
IR_C
15
PD
14
SDIO
13
D+/CLK
12
D-/Data
11
VDD
10
OSCO
eKM8050A (18-Pin)
1
2003/7/1
EMC [ ELAN MICROELECTRONICS CORP ]
