PixArt Imaging Inc.

PAN3201DH

CMOS Optical Mouse Sensor

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2

PixArt Imaging Inc.

V1.0, Mar. 2006

1. Pin Description

Pin No.

Name

Type

Definition

1

VSS_LED

GND

LED ground

2

LED

OUT

LED control

3

OSCOUT

OUT

Resonator output

4

OSCIN

IN

Resonator input

5

VDDD

PWR

Chip digital power, 1.8V

6

VSSD

GND

Chip digital ground

7

VSSA

GND

Chip analog ground

8

VDD

PWR

9

VDDA

PWR

Chip analog power, 1.8V

10

VREF

BYPASS

Analog voltage reference

11

YA

OUT

YA quadrature output

12

YB

OUT

YB quadrature output

13

XA

OUT

XA quadrature output

14

XB

OUT

XB quadrature output

15

CPI

IN

CPI IO trap select pin

Pull-low to GND : 800 cpi

Floating : 400 cpi

16

NC

-

No connection

17

SWKINT

OUT

Sensor wakeup interrupt

18

SCLK

IN

Serial interface clock

19

SDIO

I/O

Serial interface bi-direction data

20

PD

IN

Power down pin, active high

1

11

10

20

1

11

10

20

LB

RB

+ X

+ Y

Figure 1. Top view pinout

Figure 2. Top view of mouse