eKM8025
USB & PS/2 Mouse Controller
◇Quadrature Output Crossed Width Limit
X1(Y1)
X2(Y2)
T
T
T
T
T
T
T
T
Note：For X(Y) Axis ,T > 40us
For Z Axis ,T > 1ms
◆PS/2 function description
◇PS/2 Mouse Commands Description
Hex Code
FF
Command
eKM8023 echo code
Reset
FA,AA,00
XX,(XX,XX)
FA
FE
Resend
Set Default
Disable
F6
F5
FA
F4
Enable
FA
F3,XX
F2
Set Sampling Rate FA,FA
Read Device Type
Set Remote Mode
Set Wrap Mode
Reset Wrap Mode
Read Data
FA,00
F0
FA
EE
FA
EC
FA
EB
FA,XX,XX,XX
EA
Set Stream Mode
Status Request
Set Resolution
Set Autospeed
Reset Autospeed
FA
E9
FA,XX,XX,XX
E8
FA,FA
FA
E7
E6
FA
◇Microsoft PS/2 scrolling mouse
(A) Entering procedure: Except in WRAP mode, while eKM8023 received the following consecutive
command.
i. F3 C8 ---- set sampling rate 200/sec
ii. F3 64 ---- set sampling rate 100/sec
iii. F3 50 ---- set sampling rate 80/sec
(B) Entering procedure: after eKM8023 enter scrolling mouse mode (Mouse ID = 03), while eKM8023
received the following consecutive command.eKM8023 will enter 5 buttons mode Mouse ID:04)
i F3 C8 ------- set sampling rate 200/sec
ii F3 C8 ---- set sampling rate 200/sec
iii F3 50 ---- set sampling rate 80/sec
6
This specification are subject to be changed without notice Revision1.00(2400/2500) 2006/7/11
ELAN [ ELAN MICROELECTRONICS CORP ]
