E909-05 Datasheet, PDF (21/67 Pages) ELMOS Semiconductor AG – The HALIOS® multi purpose optical sensor is based on an optical bridge which provides a contactless detec-tion of gestures (e.g. movement of a finger).

HALIOS® MULTI-PURPOSE OPTICAL SENSOR WITH HIGH LIGHT IMMUNITY
E909.05
PRELIMINARY INFORMATION AUG 02, 2011
Register Current Configuration Phase A (0x04)
MSB
LSB
Content
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reset value
0
00 0 0 0 0 0 0 0 0 0 0 0 0 0
Internal access R
R R R R R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
External access R
R R R R R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit Description 9:5 : OFF: Offset phase A
4:0 : RNG: Range phase A
Table 5.6.3.4: Current Configuration Phase A
Register Current Configuration Phase B (0x06)
MSB
LSB
Content
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reset value
0
00 0 0 0 0 0 0 0 0 0 0 0 0 0
Internal access R
R R R R R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
External access R
R R R R R R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit Description 9:5 : OFF: OFFSET phase B
4:0 : RNG: RANGE phase B
Table 5.6.3.5: Current Configuration Phase B
Transmitting current LED1-4:
In the regulated mode (FIXA/B = '0') the total current is
I = _total I _OFFSET  ^{I R}₁^EG₀^U₂^L₃^ATE⋅I  _RANGE I _{BIAS S}
In constant mode (FIXA = '1' or FIXB = '1'):
I
total
=
I
OFFSET

I
RANGE
2

I
BIAS
S
, with IREGULATE = 0 ... 1023 (10 bit DAC)
IOFFSET = OFFSET * IO_STEPS
IRANGE = RANGE * IR_STEPS
where I BIAS S is a small current which always keeps the LEDs turned on to maximise speed and minimise
parasitic effects.
Register Current Configuration Compensator Offset (0x08)
MSB
Content
15 14 13 12 11 10 9 8 7
Reset value
0 00 0 0 0 0 0 0
Internal access R R R R R/W R/W R/W R/W R
External access R R R R R/W R/W R/W R/W R
Bit Description 11:8 : DC_OFFSET current LEDC (4 Bit)
6:0 : OFFSET compensation LEDC
LSB
6543210
0000000
R/W R/W R/W R/W R/W R/W R/W
R/W R/W R/W R/W R/W R/W R/W
Table 5.6.3.6: Current Configuration Compensator Offset
The offset current for the terminal LEDC is configureable with the seven bit value OFFSET.
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
Data Sheet 21 / 67
QM-No.: 25DS0014E.00