eKM8050
Preliminary
USB & PS/2 Optical Mouse Controller
7. Application circuit
eKM8050 for ADNS-2051
V3.3
100K
10
11
13
12
VDD
D+/CLK
D-/DATA
VDD
1
2
1
2
3
4
CPIS
L
VDD
D+/CLK
D-/DATA
4.7uF
+
7
VSS
VSS
R
0.1uF
ADNS-2051
6
8
PORT
Z_SEL
M
4.7uF
13
11
9
+
VDD
SCLK
SDIO
PD
OSC_OUT
OSC_IN
18M
5
1
V3.3
SCLK
SDIO
PD
VDD
HLMP-ED80
14
16
15
10uF
15
+
1
2
2
18
6
7
Z1
Z2
XY_LED
REFA
20P
20P
0.1uF
10
2
OSCO
OSCI
XA
XB
YB
YA
1
17
16
+
3
4
5
Z-AXIS
6M
9
2.2uF
0.1uF
8
IR_Control
REFB
eKM8050_B
10
12
GND
GND
14
R_BIN
R1
V3.3
VDD
100K
1
3K
10
PNP
11
13
12
IR_Control
VDD
D+/CLK
D-/DATA
VDD
2
1
2
3
4
CPIS
L
300
ZENER 3V
D+/CLK
D-/DATA
4.7uF
+
7
VSS
VSS
R
0.1uF
ADNS-2051_5
6
8
PORT
Z_SEL
M
4.7uF
13
11
9
+
VDD
SCLK
SDIO
PD
OSC_OUT
OSC_IN
18M
5
1
V3.3
SCLK
SDIO
PD
VDD
HLMP-ED80
14
16
15
10uF
15
+
1
2
2
18
6
7
Z1
Z2
XY_LED
REFA
20P
0.1uF
10
2
OSCO
OSCI
XA
XB
YB
YA
1
17
16
+
3
4
5
Z-AXIS
6M
9
2.2uF
0.1uF
8
IR_Control
REFB
20P
eKM8050_B
10
12
GND
GND
14
R_BIN
R1
Guarantee Suspend Current under 500 uA
7
2003/7/1
ELAN [ ELAN MICROELECTRONICS CORP ]
