PixArt Imaging Inc.
PAW3502
USB Optical Mouse Sensor Single Chip
1. Pin Configuration
1.1 Pin Description
Pin # Name
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OSCIN
BL
LED
VDDQ
VSS
VDD5V
VDDA
D+
D-
BR
BM
Z2
Z1
OSCOUT
Type
IN
IN
OUT
Definition
Oscillator input, connected to resonator or resistor
Button left key input, normal pull-high (50k), press connect to low
LED control
BYPASS I/O voltage reference
GND
PWR
Chip ground
Chip power VDD, 5.0V
BYPASS Analog voltage reference
I/O
I/O
IN
IN
IN
IN
OUT
USB D+
USB D-
Button right key input, normal pull-high (50k), press connect to low
Button middle key input, normal pull-high (50k), press connect to low
Z axis, support mechanical scroller input
Z axis, support mechanical scroller input
Oscillator output, connected to resonator
1.2 Pin Assignment
LB
1
2
3
4
5
6
7
14
13
12
11
10
9
8
RB
1
+Y
7
14
8
+X
Figure 1. Top View Pinout
Figure 2. Top View of Mouse
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2
V0.2 Dec. 2006
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
