eKM8050
Preliminary
USB & PS/2 Optical Mouse Controller
4. Function description
CPIS
SCLK
SDIO
PD
X-COUNTER
Y-COUNTER
USB PROTOCOL
CONTROLLER
SENSOR
Interface
DATA
PROCESS
PS/2PROTOCOL
CONTROLLER
BTM
REGISTER
Z1
Z2
Z-COUNTER
Z
M ULTIPLEXER
DATA
I/O
D+/CLK
D-/DATA
L M R
IR_C
IR_C
M ODE
SELECTOR
DETECT
CIRCUIT
R
L M
Fig-1 : Function block
PS/2 function description
PS/2 Mouse Commands Description
Hex Code
FF
Command
eKM8050 echo code
Reset
FA,AA,00
FE
Resend
XX,(XX,XX)
F6
Set Default
FA
F5
Disable
FA
F4
Enable
FA
F3,XX
F2
Set Sampling Rate
Read Device Type
Set Remote Mode
Set Wrap Mode
Reset Wrap Mode
Read Data
FA,FA
FA,00
F0
FA
EE
FA
EC
FA
EB
FA,XX,XX,XX
EA
E9
Set Stream Mode
Status Request
Set Resolution
Set Autospeed
Reset Autospeed
FA
FA,XX,XX,XX
E8
FA,FA
FA
E7
E6
FA
3
2003/7/1
ELAN [ ELAN MICROELECTRONICS CORP ]
