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AS7225

Smart Lighting Command Interface

Datasheet

• PUBLIC

DS000496

• v2-00 • 2019-Jun-28

│ 59

Command

Direction

Description

Format

Value Range

Default

Daylight Harvesting / Illumination Control

ATLUXT

R/W

Set illumination target

LUX value

DEZ

0-64000

400

ATLUXC

Read the internal or

external LUX value (if

connected)

Information: External

ALS LUX value will be

calculated every

700ms, internal ALS

LUX dependence on

the configured

integration time

DEZ

0-64000,

65535

– LUX value is in saturation

Calibration Values

ATNORMGAIN

R/W

Set/Get the gain which

the calibration values

were measured

DEZ

Same as ATGAIN

ATNORMINTT

R/W

Set/Get the integration

time which the

calibration values were

measured

DEZ

Same as ATINTTIME

ATIRXS

R/W

Write IR scalar for

value X

DEZ

p2ram

value

0.0

ATIRYS

R/W

Write IR scalar for

value Y

DEZ

p2ram

value

0.0

ATIRZS

R/W

Write IR scalar for

value Z

DEZ

p2ram

value

0.0

ATCMxy

R/W

Write 3x3 color matrix

to flash, x,y = [0..2]

DEZ

p2ram

value

1,0,0

0,1,0

0,0,1

ATAMxy

R/W

Write 3x3 application

matrix to flash,

x,y = [0..2]

DEZ

1,0,0

0,1,0

0,0,1

ATLXSL0

R/W

Write a calibration

scalar K0 for external

ambient light sensor

Formula

K0 & K1>0:

LUX=K0*ADC0-

K1*ADC1

K0=0: LUX=K1*ADC1

K1=0:

LUX=K0*ADC0

(TSL2572 only)

DEZ

≥0

0.2178

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