PixArt Imaging Inc.

PAW3101DB

CMOS Optical Mouse Sensor

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2

PixArt Imaging Inc.

V3.1 May. 2008

1. Pin Configuration

1. Pin Description

Pin No.

Name

Type

Definition

1

OSCIN

IN

Resonator input

2

OSCOUT

OUT

Resonator output

3

SDIO

I/O

Serial interface bi-direction data

(5.0 volt tolerance and 3.3V output)

4

SCLK

IN

Serial interface clock

(5.0 volt tolerance)

5

LED

OUT

LED control

6

VSS

GND

Chip ground

7

VDD

PWR

8

VREF

BYPASS

Voltage reference, 3.3V

1.2 Pin Assignment

LB

RB

+ X

+ Y

1

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

Figure 1. Top View Pinout

Figure 2. Top View of Mouse