eKM8025
USB & PS/2 Mouse Controller
9. Application circuit
※NOTICE DIAGRAM
R_LED
OM02_7
OMA100
1
2
3
4
5
16
15
TCLK
X2
TIO
PD
14
13
12
11
10
9
X1
R_BIN
VDD
Y1
C8 C7
+
Y2
GND
Q2
6
7
8
eKM8025AB/eKM8025BB
XY _LED
REFA
REFB
ROSCA
GND
3904
Rosc Cosc
1
2
3
4
5
6
7
8
9
18
17
M
X1
X2
+
4.7uF 0.1uF
L
ROSCB
1
1
2
2
16
15
14
13
12
11
10
V3.3
Z1
Y1
Z2
Y2
Q1
Z-AXIS
R4
R3
R2
R1
R
IR_C
D+/CLK
D-/DATA
VDD
3904
V3.3
K_OP
VSS
V3.3
OSCI
VDD
C9
+
D+ / CLK
+
+
+
C1
C6
C5
C4
C3
C2
OSCO
4.7uF
D- / DATA
VSS
SHLD
20P
6M
20P
PORT
◆COMPONENTS IN DETAIL
TYPE
R1
R2
R3
R4
C1
C2
C3
NORMAL
－
－
－
APPLICATION
EFT BETTER
IMPROVEMENT
10Ω
1.5KΩ
10uF
0.1uF(104)
33Ω
33Ω
0.1uF(104)
TYPE
C4
C5
C6
C7
C8
C9
Cosc
NORMAL
－
－
APPLICATION
EFT BETTER
IMPROVEMENT
10uF
0.1uF(104)
100uF
0.1uF(104)
4.7uF
10uF
1nF(102)
＊＊ C5 & C6 have to be closed to MCU(VDD)
＊＊ C7 & C8 have to be closed to Sensor(VDD).
＊＊ C9 has to be closed to MCU(V3.3)
＊＊ It’s NOT recommended to use eKM8025B(800DPI) for Ball Type.
14
This specification are subject to be changed without notice Revision1.00(2400/2500) 2006/7/11
ELAN [ ELAN MICROELECTRONICS CORP ]
