PixArt Imaging Inc.
PAN3401
PS/2 Optical Mouse Single Chip
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 scroller input, internal pull-down 50K ohm
Z axis, support mechanical scroller input, internal pull-down 50K ohm
1.2 Pin Assignment
LB
1
2
3
4
5
6
12
11
10
9
8
7
RB
+Y
1
6
12
7
+X
Figure 1. Top View Pinout
Figure 2. Top View of Mouse
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission
.
2
V1.3, Mar. 2008
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
