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Version 1.40 |12 Aug 2016 | 31005AEN

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

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PixArt Imaging Inc.

PMW3325DB-TWV1 General Datasheet

Optical Gaming Navigation Chip

Registers

5.1

Registers List

The Chip registers are accessible via the serial port. The registers are used to read motion data and status as well as to set

the device configuration.

Table 9. Register List

Address

Register Name

Access

Reset Value

0x00

PRODUCT_ID

R

0x43

0x02

MOTION

RW

0x00

0x03

DELTA_X_L

R

0x00

0x04

DELTA_X_H

R

0x00

0x05

DELTA_Y_L

R

0x00

0x06

DELTA_Y_H

R

0x00

0x07

SQUAL

R

0x00

0x08

PIXEL_SUM

R

0x00

0x09

MAXIMUM_PIXEL

R

0x00

0x0A

MINIMUM_PIXEL

R

0x00

0x0B

SHUTTER_LOWER

R

0x12

0x0C

SHUTTER_UPPER

R

0x00

0x15

CHIP_OBSERVATION

RW

0x80

0x16

BURST_MOTION_READ

R

0x00

0x19

FRAME_CAPTURE_STATUS

R

0x00

0x1B

RESOLUTION

RW

0x2E

0x1E

ANGLE_SNAP

RW

0x04

0x20

AXIS_CONTROL

RW

0x00

0x24

RUN_DOWNSHIFT

RW

0x06

0x25

REST1_PERIOD

RW

0x01

0x26

REST1_DOWNSHIFT

RW

0x4F

0x27

REST2_PERIOD

RW

0x19

0x28

REST2_DOWNSHIFT

RW

0x5E

0x29

REST3_PERIOD

RW

0x3F

0x32

FRAME_CAPTURE

RW

0x00

0x3A

POWER_UP_RESET

W

N/A

0x3B

SHUTDOWN

W

N/A

0x3F

INV_PRODUCT_ID

R

0xBC

0x40

CONFIG

RW

0x00