eKM8053
USB & PS/2 Optical Mouse Controller
◆eKM8053C (20-Pin) for 3D5Buttons
□□□□□□□□
4 3 2 1 20191817
1z
2
20
19
18
17
16
15
14
13
12
11
CPIS□
L KEY□
R KEY□
M KEY□
SCLK□
□Z1
□Z2
(0,0)
3
□IR_C
□PD
+
4
5
□SDIO
□N KEY
□D+ / CLK
□D- / DATA
□VDD
6
P KEY/K_OP□
VSS□
□
□
□
□
□
□
7
5
6
8
16
15
14
8
VSS□
9
V3.3□
9
10111213
10
OSCI□
□OSCO
□
□□□□
eKM8053C (20-Pin)
Bounding PAD
Symbol I/O PIN
Function
CPIS
L KEY
R KEY
M KEY
SCLK
K_OP
P KEY
VSS
I
1
2
400/800 CPI Selection Pin ; V3.3 : 800 CPI
Left Key Input
;
GND : 400 CPI
I
I
3
Right Key Input
I
4
5
Middle Key Input
I/O
Serial Clock to Agilent sensor IC SCLK
I
6
6
3D3K/3D5K Selection Pin，Connect to V3.3 for 3D3K；Pull Low 1Mohm to GND for 3D5K
I
-
Previous KEY Input
7,8
9
GND
V3.3V
O
I
3.3V DC voltage output from internal regulator. This pin has to be tied to a 4.7μF capacitor.
OSCI
OSCO
VDD
10
11
12
13
14
6MHz ceramic resonator input.
Return path for 6-MHz ceramic resonator.
5 V Power Input
I/O
-
D- / DATA
D+ / CLK
N KEY
SDIO
PD
I/O
I/O
I
USB D- or PS/2 Data I/O
USB D+ or PS/2 CLK I/O
15
16
Next KEY Input
I/O
I
Serial Data from Agilent sensor IC SDIO
17
18
2051 Power Down Pin
IR Control Pin#1
IR_C
I/O
I
Z2
19
20
Z axis Input 2
Z axis Input 1
Z1
I
3
This specification is subject to be changed without notice
Revision1.01 (5300)
2006/7/11
ELAN [ ELAN MICROELECTRONICS CORP ]
