eKM8053
USB & PS/2 Optical Mouse Controller
3. Pin assignment
◆eKM8053B (18-Pin) for 3D3Buttons
□□□□□□□□
4 3 2 1 18171615
1z
2
18
17
16
15
14
13
12
11
10
CPIS□
L KEY□
R KEY□
M KEY□
SCLK□
K_OP□
VSS□
□Z1
(0,0)
□Z2
+
3
□IR_C
□PD
4
5
□SDIO
□D+ / CLK
□D- / DATA
□VDD
□
□
□
□
□
□
6
5
6
7
14
X
7
8
13
V3.3□
8
□
9 101112
□□□□
9
OSCI□
□OSCO
eKM8053B (18-Pin)
Bounding PAD
Function
Symbol I/O PIN
CPIS
L KEY
R KEY
M KEY
SCLK
K_OP
VSS
I
400/800 CPI Selection Pin，V3.3 : 800 CPI ；GND : 400 CPI
1
I
2
Left Key Input
I
I
3
Right Key Input
4
5
Middle Key Input
I/O
I
Serial Clock to Agilent sensor IC SCLK
6
7
3D3K/3D5K Selection Pin，Connect to V3.3 for 3D3K；Pull Low 1Mohm to GND for 3D5K
-
GND
V3.3V
O
I
8
3.3V DC voltage output from internal regulator. This pin has to be tied to a 4.7μF capacitor.
6MHz ceramic resonator input.
OSCI
OSCO
VDD
9
I/O
-
10
11
12
13
14
Return path for 6-MHz ceramic resonator.
5 V Power Input
D- / DATA
D+ / CLK
SDIO
PD
I/O
I/O
I/O
I
USB D- or PS/2 Data I/O
USB D+ or PS/2 CLK I/O
Serial Data from Agilent sensor IC SDIO
15
16
2051 Power Down Pin
IR Control Pin#1
IR_C
I/O
I
Z2
17
18
Z axis Input 2
Z axis Input 1
Z1
I
2
This specification is subject to be changed without notice
Revision1.01 (5300)
2006/7/11
ELAN [ ELAN MICROELECTRONICS CORP ]
