PixArt Imaging Inc.
PAW3402 / PAW3412
PS/2 Optical Mouse SOC
1. Pin Configuration
1.1 Pin Description
Pin # Name
1
2
3
4
5
6
7
8
9
10
11
12
BL
LED
Type
IN
OUT
Definition
Button left key input, internal pull-up 50K ohm, press connect to low
LED control
Connect to resistor input
Chip ground
Chip power VDD, 5.0V
OSC_RES IN
VSS
VDD5V
VREF
CLOCK
DATA
BR
BM
Z2
Z1
GND
PWR
BYPASS Analog voltage reference
I/O
I/O
IN
IN
IN
IN
PS/2 mouse clock line
PS/2 mouse data line
Button right key input, internal pull-up 50K ohm, press connect to low
Button middle key input, internal pull-up 50K ohm, press connect to low
Z axis, support mechanical encoder input (internal pull-down 50K ohm) or
optical encoder input (needs external pull-down resistor)
Z axis, support mechanical encoder input (internal pull-down 50K ohm) or
optical encoder input (needs external pull-down resistor)
1.2 Pin Assignment For Sensor Rotate 0˚
Figure 1. Top View Pinout
Figure 2. Top View of Mouse
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2
V1.0, Feb. 2008
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
