adns-6030 Avago Technologies, adns-6030 Datasheet - Page 31

• Manufacturer Part Number: adns-6030
• Description: Low Power Laser Mouse Bundles - Agilent Hewlett-packard
• Manufacturer: Avago Technologies

LSRPWR_CFG0
Access: Read and Write
Data Type
USAGE : This register is used to set the laser current. It is to be used together with register 0x1D,
where register 0x1D contains the complement of register 0x1C. If the registers do not contain
complementary values, the laser is turned off and the LP_VALID bit in the MOTION register is set
to 0. The registers may be written in any order after the power ON reset.
31
Reserved
LSRPWR_CFG1
Access: Read and Write
Data Type
USAGE : The value in this register must be a complement of register 0x1C for laser current to be
as programmed, otherwise the laser is turned off and the LP_VALID bit in the MOTION register is
set to 0. Registers 0x1C and 0x1D may be written in any order after power ON reset.
Field Name
LP
7
Field
Field
Bit
LP
Bit
0
LPC
LP
7
7
: 8 Bit unsigned
: 8 Bit unsigned
7
7
Description
Controls the 8-bit DAC for adjusting laser current.
One step is equivalent to (1/384)*100% = 0.26% drop of relative laser current.
Refer to the table below for examples of relative laser current settings.
LP
00000
00000
00000
LPC
LP
11111
11111
11111
7
6
6
: :
- LP
6
6
3
Address: 0x1c
Reset Value: 0x00
Address: 0x1d
Reset Value: 0x00
Address: 0x1e
LPC
LP
5
5
5
5
LP
0
0
0
1
1
1
:
2
LPC
LP
4
4
4
4
LP
0
0
0
1
1
1
:
1
LPC
LP
3
3
3
3
LP
0
0
0
1
1
1
:
0
LPC
LP
2
2
2
Relative Laser Current
2
33.59%
33.85%
34.11%
99.48%
99.74%
100%
: :
LPC
LP
1
1
1
1
LPC
LP
0
0
0
0