PixArt Imaging Inc.

PAN3101

CMOS Optical Mouse Sensor

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission

.

4

PixArt Imaging Inc.

V1.0 MAR. 2005

3. Registers and Operation

The PAN3101 can be programmed through registers, via the serial port, and DSP configuration and

motion data can be read from these registers. All registers not listed are reserved, and should never be

written by firmware.

3.1 Registers

Address

Name

R/W Reset Value

Data Type

0x00

Operation_Mode1 R/W

0x00

Bit field

0x01

Product_ID1

R

0x01

Bit field

0x02

Delta_Y

R

-

Eight bits 2’s complement number

0x03

Delta_X

R

-

Eight bits 2’s complement number

0x04

Image_Quality

R

-

Eight bits unsigned integer

0x05

|

0x13

-

-

-

Reserve for future use

0x14

Product_ID2

R

0x10

Eight bits [11:4] number with the product identifier

0x15

Product_ID2

R

0x1N

Four bits [3:0] number with the product identifier

Reserved [3:0] number is reserved for future

0x16

Motion_Status

R

-

Bit field

0x17

Delta_X

R

-

Eight bits 2’s complement number

0x18

Delta_Y

R

-

Eight bits 2’s complement number

0x19

Image_Quality

R

-

Eight bits unsigned integer

0x1A

Operation_Mode2 R/W

-

Bit field

0x1B

Configuration

R/W

-

Bit field

0x1C

|

0x3F

-

-

-

Reserve for future use

0x40

Operation_Mode3 R/W

0x20

Bit field

0x41

Product_ID3

R

0x41

Bit field

0x42

Delta_Y

R

-

Eight bits 2’s complement number

0x43

Delta_X

R

-

Eight bits 2’s complement number

0x44

Image_Quality

R

-

Eight bits unsigned integer