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EKM8003 Schematic ( PDF Datasheet ) - ELAN Microelectronics

Teilenummer EKM8003
Beschreibung Optical Mouse Controller
Hersteller ELAN Microelectronics
Logo ELAN Microelectronics Logo 




Gesamt 22 Seiten
EKM8003 Datasheet, Funktion
www.DataSheet4U.com
EKM8003
Optical Mouse Controller
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
December 2002






EKM8003 Datasheet, Funktion
EKM8003
Optical Mouse Controller
3 Pin Assignment
www.DataSheet4U.com
Symbol I/O Pin
Description
CLK I/O 1 PS/2 CLK I/O pin
DATA I/O 2 PS/2 Data I/O pin
/RESET
I
4 Reset IC
VSS - 5 Ground
K4 I 6 The 4th Button Input
K5 I 7 The 5th Button Input
Z1 I 8 Z axis Input 1.
Z2 I 9 Z axis Input 2.
L I 10 Left Key Input.
R I 11 Right Key Input.
M I 12 Middle Key Input.
CPIS
400/800 CPI Selection pin.
I 13 Floating: 400 CPI.
Ground: 800 CPI (for ADNS-2051 only).
VDD
- 14 +5V Power Input.
OSCO I/O 15 Return Path for Ceramic Resonator or Crystal Oscillator.
OSCI
Type A – Ceramic Resonator or Crystal Oscillator Input.
I 16
Type B – RC Oscillator Input.
SDIO
I/O 17 Serial Data from Agilent sensor IC SDIO.
SCLK
I/O 18 Serial Clock to Agilent sensor IC SCLK.
4 Function Description
4.1 Agilent Serial Interface and Control Register
4.1.1 Synchronous Serial Port
The synchronous serial port is used to set and read parameters in Agilent sensor IC,
and can be used to read out the motion information. The eKM8003 always initiates
communication.
SCLK: The serial port clock. It is always generated by eKM8003.
SDIO: The serial data line.
PD: Power Down line is used to force re-synchronization between the eKM8003 and
the ADNS-2051 in case of an error. It also can be used to place the ADNS-2051
in low power mode to meet some special case.
2 Product Specification (V1.0) 12.17.2002
(This specification is subject to change without further notice)

6 Page









EKM8003 pdf, datenblatt
EKM8003
Optical Mouse Controller
4.5 PS/2 Mouse Commands Description
www.DataSheet4U.com
Hex Code
FF
FE
F6
F5
F4
F3,XX
F2
F0
EE
EC
EB
EA
E9
E8
E7
E6
Command
Reset
Resend
Set Default
Disable
Enable
Set Sampling Rate
Read Device Type
Set Remote Mode
Set Wrap Mode
Reset Wrap Mode
Read Data
Set Stream Mode
Status Request
Set Resolution
Set Auto-speed
Reset Auto-speed
4.6 Microsoft PS/2 scrolling mouse
eKM8003 echo code
FA,AA,00
XX,(XX,XX)
FA
FA
FA
FA,FA
FA,00
FA
FA
FA
FA,XX,XX,XX
FA
FA,XX,XX,XX
FA,FA
FA
FA
Entering procedure: Except in WRAP mode, while eKM8003 received the
following consecutive command.
F3 C8 ---- set sampling rate 200 Hz
F3 64 ---- set sampling rate 100 Hz
F3 50 ---- set sampling rate 80 Hz
F3 3C ---- set sampling rate 60 Hz
F3 28 ---- set sampling rate 40 Hz
F3 14 ---- set sampling rate 20 Hz
F3 0A ---- set sampling rate 10 Hz
(B) Operating for 3-D 3-Keys:
a. All of the commands in legacy mode still be valid.
b. The ID code of read device type command (F2) will change from "00" to
“03".
c. Data report will be four bytes format:
8 Product Specification (V1.0) 12.17.2002
(This specification is subject to change without further notice)

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