MLX75031 Datasheet, PDF (55/67 Pages) Melexis Microelectronic Systems – Optical Gesture & Proximity Sensing IC

MLX75031
Optical Gesture & Proximity Sensing IC
with Integrated LED Drivers
Datasheet
8.13.14. Tamb register
This register contains settings for the PD compensation circuitry + controls the repetition rate of the auto-
zero timer.
Bit
7
6
5
4
3
2
1
0
Tamb
-
-
-
-
-
- Tamb1 Tamb0
0xE Read/Write
R
R
R
R
R
R
R/W R/W
Init
0
0
0
0
0
0
1
0
Tamb<3:2>: not implemented, read as '0'
Tamb<1:0>: controls the repetition rate of the auto-zero timer
Tamb1
0
0
1
1
Tamb0
0
1
0
1
Repetition Rate (ms +/-8%)
1.25
2.5
5
10
8.13.15. SetPLS register
This register provides parameters to set up the LED temperature sensing circuit and it defines the shape of
the Active Light pulses.
Bit
7
6
5
4
3
OS_ OS_
G_
G_
SetPLS
ADJ_ ADJ_ ADJ_ ADJ_
-
LED1 LED0 LED1 LED0
0xF Read/Write R/W R/W R/W R/W
R
Init
0
1
0
0
0
2
1
0
-
Rise1 Rise0
R
R/W R/W
0
1
0
OS_ADJ_LED<1:0>: input offset selection for LED temperature sensing circuit
OS_ADJ_LED1
0
0
1
1
OS_ADJ_LED0
0
1
0
1
Reference Input
0.03 V
0.85 V
1.65 V
2.47 V
G_ADJ_LED<1:0>: amplifier gain selection for LED temperature sensing circuit
REVISION 001 – JANUARY, 2013
39010xxxxx
Page 55 of 55