PixArt Imaging Inc.
PAN3501UI
USB Optical Mouse Sensor Single Chip
1. Pin Configuration
1.1 Pin Assignment
24
1
LB
RB
+ Y
24
13
1
12
+ X
Figure 2. Top View of Mouse
12
13
Figure 1. Top View Pinout
1.2 Pin Description
Pin # Name
Type
Definition
1
2
3
4
5
6
7
8
9
Z1
IN
Z axis, support two kinds of scroller input, opto-mechanical and mechanical
Z axis, support two kinds of scroller input, opto-mechanical and mechanical
Sensor rotate (0, 1, floating) => (-90°, +90°, 0°), 3-states input
IR LED control
Z2
IN
SR
IN
IRCTL
BM
BL
OUT
IN
Button middle key input, normal pull-high (50k), press connect to low
Button left key input, normal pull-high (50k), press connect to low
Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B), 3-states input
Button 4 key input, normal pull-high (50k), press connect to low
Button 5 key input, normal pull-high (50k), press connect to low
CPI select to (0, 1, floating)=> (800, 600, 400), 3-states input
LED ground
IN
DT
B4
IN
IN
B5
IN
10 CPI
IN
11 VSSLED
12 LED
13 VREFB
14 VREFA
15 VDD5V
16 VSS
GND
I/O
LED control
BYPASS Analog voltage reference
BYPASS Analog voltage reference
PWR
GND
Chip power VDD, 5.0V
Chip ground
17 VDDQ
18 OSCIN
19 OSCOUT
20 D+
BYPASS IO voltage reference
IN
Oscillator input, connect to 18.000MHz crystal or resonator
OUT
I/O
I/O
IN
Oscillator output, connect to 18.000MHz crystal or resonator
USB D+
21 D-
USB D-
22 BR
Button right key input, normal pull-high (50k), press connect to low
Reserve for future use, PAN3501UP used the pin to switch USB or PS/2
Test pin. It is needed to connect to GND in normal operation mode
23 RFU
IN
IN
24 TEST
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PixArt Imaging Inc.
2
E-mail: fae_service@pixart.com.tw
V1.0, APR. 2005
PIXART [ PIXART IMAGING INC. ]
