23

Registers

The ADNS-3090 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.

Address

Register

Read/Write

SROM Default Value

0x00

Product_ID

R

0x07

0x01

Revision_ID

R

0xNN

0x02

Motion

R

0x00

0x03

Delta_X

R

0x00

0x04

Delta_Y

R

0x00

0x05

SQUAL

R

0x00

0x06

Pixel_Sum

R

0x00

0x07

Maximum_Pixel

R

0x00

0x08

Reserved

0x09

Reserved

0x0a

Configuration_bits

R/W

0x09

0x0b

Extended_Config

R/W

0x00

0x0c

Data_Out_Lower

R

Any

0x0d

Data_Out_Upper

R

Any

0x0e

Shutter_Lower

R

0x85

0x0f

Shutter_Upper

R

0x00

0x10

Frame_Period_Lower

R

Any

0x11

Frame_Period_Upper

R

Any

0x12

Motion_Clear

W

Any

0x13

Frame_Capture

R/W

0x00

0x14

SROM_Enable

W

0x00

0x15 - 0x18

Reserved

0x19

Frame_Period_Max_Bound Lower

R/W

0xE0

0x1a

Frame_Period_Max_Bound_Upper

R/W

0x2E

0x1b

Frame_Period_Min_Bound_Lower

R/W

0x7E

0x1c

Frame_Period_Min_Bound_Upper

R/W

0x0E

0x1d

Shutter_Max_Bound_Lower

R/W

0x00

0x1e

Shutter_Max_Bound_Upper

R/W

0x20

0x1f

SROM_ID

R

0x00

0x20-0x3c

Reserved

0x3d

Observation

R/W

0x00

0x3e

Reserved

0x3f

Inverse Product ID

R

0xF8

0x40

Pixel_Burst

R

0x00

0x50

Motion_Burst

R

0x00

0x60

SROM_Load

W

Any

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PixArt Imaging Inc.

PixArt Imaging Inc.