PAW3501UI Datasheet, PDF (2/14 Pages) Pixart Imaging Inc. – USB OPTICAL MOUSE SENSOR SINGLE CHIP

PixArt Imaging Inc.
PAW3501UI
1. Pin Configuration
1.1 Pin Assignment
1
USB Optical Mouse Sensor Single Chip
24
LB
RB
+Y
1
24
12
13
12
13
+X
Figure 1. Top View Pinout
Figure 2. Top View of Mouse
1.2 Pin Description
Pin # Name
1 Z1
2 Z2
3 SR
4 IRCTL
5 BM
6 BL
7 DT
8 B4
9 B5
10 CPI
11 VSSLED
12 LED
13 VREFB
14 VREFA
15 VDD5V
16 VSS
17 VDDQ
18 OSCIN
19 OSCOUT
20 D+
21 D-
22 BR
23 RFU
24 TEST
Type Definition
IN
Z axis, support two kinds of scroller input, opto-mechanical and mechanical
IN
Z axis, support two kinds of scroller input, opto-mechanical and mechanical
IN
Sensor rotate (0, 1, floating) => (-90°, +90°, 0°), 3-states input
OUT IR LED control
IN
Button middle key input, normal pull-high (50k), press connect to low
IN
Button left key input, normal pull-high (50k), press connect to low
IN
Device type (0, 1, floating) => (3D3B, 2D2B, 3D5B), 3-states input
IN
Button 4 key input, normal pull-high (50k), press connect to low
IN
Button 5 key input, normal pull-high (50k), press connect to low
IN
CPI select to (0, 1, floating) => (800, 600, 400), 3-states input
GND LED ground
I/O
LED control
BYPASS Analog voltage reference
BYPASS Analog voltage reference
PWR Chip power VDD, 5.0V
GND Chip ground
BYPASS IO voltage reference
IN
Oscillator input, connect to 18.000MHz crystal or resonator
OUT Oscillator output, connect to 18.000MHz crystal or resonator
I/O
USB D+
I/O
USB D-
IN
Button right key input, normal pull-high (50k), press connect to low
IN
Reserve for future use, PAW3501UP used the pin to switch USB or PS/2
IN
Test pin. It is needed to connect to GND in normal operation mode
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2
PixArt Imaging Inc.
E-mail: [e-mail]
V2.1 April. 2008