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PixArt Imaging Inc.

PAW3552DB Product Brief

USB/PS2 Optical Mouse SoC

Version 0.1 |1 Mar 2016 | 10003EN

PixArt Imaging Inc. http://www.pixart.com

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1.2

Pin Description

1

2

3

4

8

7

6

5

LB

RB

+ X

+ Y

1

2

3

4

8

7

6

5

MB

Figure 1. Top View Pinout

Table 1. Signal Pin Description

Pin #

Signal Name

Type

Definition

1

MFIO_1 (LED)

I/O

Share pin for LED power/BM

2

VDD5V

PWR

Chip power VDD, 5.0V

3

Z1

I/O

Z axis, support mechanical scroller input

4

Z2

I/O

Z axis, support mechanical scroller input

5

MFIO_2 (SW)

I/O

Share pin for LED control pin/BL/BR

6

VSS

GND

Chip ground

7

D-/DATA

I/O

USB D- or PS/2 mouse data line

8

D+/CLK

I/O

USB D+ or PS/2 mouse clock line

1.3

Sensor Orientations

1

2

3

4

8

7

6

5

LB

MB

RB

LB

MB

RB

LB

MB

RB

LB

MB

RB

+X

+Y

+Y

+X

+X

+X

+Y

+Y

Rotation 0 deg.

Rotation +90 deg.

Rotation -90 deg.

Rotation 180 deg.

Figure 2. Types of Sensor Orientation