PixArt Imaging Inc.

PAW3101DB

CMOS Optical Mouse Sensor

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6

PixArt Imaging Inc.

V3.1 May. 2008

0x03

Delta_X

Bit

7

6

5

4

3

2

1

0

Field

X7

X6

X5

X4

X3

X2

X1

X0

Usage

X movement is counts since last report. Absolute value is determined by resolution. Reading clears

the register. Report range –128 ~ +127.

0x04

Image_Quality

Bit

7

6

5

4

3

2

1

0

Field

Imgqa[7:0]

Usage

Image Quality is a quality level of the mouse sensor in the current frame. Report range 0 ~ 255.

Field Name

Description

Notes

Imgqa[7:0]

Image quality report range: 0(worst) ~ 255(best).

0x14

Product_ID2

Bit

7

6

5

4

3

2

1

0

Field

PID2[11:4]

Usage

The value in this register is fixed. It can be used to verify if the status of the serial communications

link is OK.

0x15

Product_ID3

Bit

7

6

5

4

3

2

1

0

Field

PID2[3:0]

Reserved[3:0]

Usage

The value in this register is fixed. PID2[3:0] can be used to verify if the status of the serial

communications link is OK. Reserved[3:0] is a value between 0x0 and 0xF, but it can’t be used to

verify the status of the serial communications.