PAW3401 Datasheet, PDF (2/17 Pages) Pixart Imaging Inc. – PS/2 OPTICAL MOUSE SENSOR

PixArt Imaging Inc.
PAW3401
12 PIN PS/2 Optical Mouse Sensor
1. Pin Configuration
1.1 Pin Description
Pin # Name
Type Definition
1 BL
IN
Button left key input, normal pull-high (50k), press connect to low
2 LED
OUT LED control
3 OSC_RES IN
Connect to resistor input
4 VSS
GND Chip ground
5 VDD5V PWR Chip power VDD, 5.0V
6 VREF
BYPASS Analog voltage reference
7 CLOCK I/O
PS/2 mouse clock line
8 DATA I/O
PS/2 mouse data line
9 BR
IN
Button right key input, normal pull-high (50k), press connect to low
10 BM
IN
Button middle key input, normal pull-high (50k), press connect to low
11 Z2
IN
Z axis, support mechanical scroller input
12 Z1
IN
Z axis, support mechanical scroller input
1.2 Pin Assignment
Figure 1. Top View Pinout
Figure 2. Top View of Mouse
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PixArt Imaging Inc.
E-mail: [e-mail]
V1.1, Dec. 2006