29

LASER_CTRL1

Address: 0x1f

Access: Read/Write

Reset Value: 0x00

Data Type: 8 Bit unsigned

USAGE: Bits 7 and 6 of this register must be the complement of the corresponding bits in register 0x1A for the VCSEL

control to be as programmed, otherwise the laser turned is off and the LP_VALID bit in the MOTION register is set to

0. Registers 0x1A and 0x1F may be written in any order after power ON reset.

Bit

7

6

5

4

3

2

1

0

Field

Range_C1

Range_C0

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Address: 0x20-0x2d

Observation

Address: 0x2e

Access: Read/Write

Reset Value: 0x00

Data Type: Bit field

USAGE: Register 0x2e provides bits that are set every frame. It can be used during EFT/B testing to check that the chip

is running correctly. Writing anything to this register will clear the bits. Wait for at least one frame before reading the

register.

Bit

7

6

5

4

3

2

1

0

Field

Reserved

Reserved

Reserved

Field Name

Description

Set every frame

Reserved

Address: 0x2f-0x34, 0x36-0x39

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PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-7550 Integrated Molded Lead-Frame DIP Sensor