19

DELTA_X

Address: 0x03

X Displacement Register

Access: Read

Reset Value: 0x00

Bit

76543210

Field

X7

X6

X5

X4

X3

X2

X1

X0

Data Type: Eight bit 2’s complement number.

USAGE: X-axis movement in counts since last report. Absolute value is determined by resolution. Reading this register

clears the content of this register.

00

01

02

7E

7F

+127

+126

+1

+2

FF

FE

81

80

0

-1

-2

-127

-128

Motion

Delta_X

NOTE:

PixArt RECOMMENDS that registers 0x03, 0x04 and 0x0c be read consecutively in 12-bit motion reporting.

DELTA_Y

Address: 0x04

Y Displacement Register

Access: Read

Reset Value: 0x00

Bit

76543210

Field

Y7

Y6

Y5

Y4

Y3

Y2

Y1

Y0

Data Type: Eight bit 2’s complement number.

USAGE: Y-axis movement in counts since last report. Absolute value is determined by resolution. Reading this register

clears the content of this register.

00

01

02

7E

7F

+127

+126

+1

+2

FF

FE

81

80

0

-1

-2

-127

-128

Motion

Delta_Y

NOTE:

PixArt RECOMMENDS that registers 0x03, 0x04 and 0x0c be read consecutively in 12-bit motion reporting.

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PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-3000 Low Power Optical Mouse Sensor