eKM8053
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 PN
IR_C
IR_C
IR_C2
M ODE
SELECTOR
DETECT
CIRCUIT
R
N
P
L M
Fig-1 : Function block
◆Quadrature Signal Timing Diagram
◇Z Axis Counting
Z/2 COUNTING
Z1
Z2
+1
+1
-1
-1
◇Quadrature Output Crossed Width Limit
Z1
Z2
T
T
T
T
T
T
T
T
Note:For Z Axis ,T > 1ms
4
This specification is subject to be changed without notice
Revision1.01 (5300)
2006/7/11