PixArt Imaging Inc.
ADNS-7550 Integrated Molded Lead-Frame DIP Sensor
LASER_CTRL1
Address: 0x1f
Access: Read/Write
Reset Value: 0x00
Bit
7
6
5
4
3
2
1
0
Field
Range_C1 Range_C0 Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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.
Reserved
Address: 0x20-0x2d
Observation
Address: 0x2e
Reset Value: 0x00
5
Access: Read/Write
Bit
7
6
4
3
2
1
0
Field
Reserved
Reserved
Reserved
OBS
OBS
OBS
OBS
OBS
0
4
3
2
1
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.
Field Name
Description
OBS4-0
Set every frame
Reserved
Address: 0x2f-0x34, 0x36-0x39
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PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
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