Version 1.1

SFH 7771

22.04.2016

17

ALS_PS_CONTROL register (0x42)

ALS and PS Control of set the PS output mode, the ALS gain and the LED current. In the „Infrared DC

level output“ PS mode (bit <6> = 1) the sensor measures the infrared DC ambient level. The proximity

value of the reflected signal is not available in this mode.

R/W-Register 0x42

Bit

7

6

5 4 3 2

1

0

Reserved

(read only)

PS output

ALS Gain for

ALS_VIS and ALS_IR

LED current

default

write 0

0 proximity output

0000

X1

X1

11 200mA

0 proximity output

0000

X1

X1

00 25 mA

1 Infrared DC level

output

0100

X2

X1

01 50 mA

0101

X2

X2

10 100 mA

1010

X64

X64

11 200 mA

1110

X128

X64

1111

X128

X128

rest

forbidden