PixArt Imaging Inc.

PAW3101DB

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.

9

PixArt Imaging Inc.

V3.1 May. 2008

0x1B

Configuration

Bit

7

6

5

4

3

2

1

0

Field

RES

0

1

0

0

1

0

0

Usage

The Configuration register allows the user to change the configuration of the moue sensor. Shown

below are the bits, their default values, and optional values.

Field Name

Description

RES

Output resolution setting

0 = 800 (Default)

1 = 400

Notes

Bit [6:0]

Must always be 0100100

0x40

Operation_Mode3

Bit

7

6

5

4

3

2

1

0

Field

Reset

PD_enh

LEDsht_enh

0

0

0

0

Slp_enl

Usage

Register 0x40 allows the user to change the operation of the mouse sensor. Shown below are the bits,

their default values, and optional values.

If Slp_enl = 0, after 1 sec not moving during normal mode, the mouse sensor will enter sleep mode,

and keep on sleep mode until moving is detected or wakeup is asserted.

Field Name

Description

Reset

Full chip reset

0 = Normal operation mode (Default)

1 = Full chip reset

PD_enh

Power down mode

0 = Normal operation mode (Default)

1 = Power down mode

LEDsht_enh

LED shutter enable/disable

0 = Disable

1 = Enable (Default)

Bit [4:1]

Must always be 0000

Notes

Slp_enl

Sleep mode enable/disable

0 = Enable (Default)

1 = Disable