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AS7221 Datasheet(PDF) 35 Page - OSRAM GmbH

Part # AS7221
Description  CCT Tuning Smart Lighting Manager
PDF  56 Pages
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Manufacturer  OSRAM [OSRAM GmbH]
Direct Link  http://www.osram.com
Logo OSRAM - OSRAM GmbH

AS7221 Datasheet(HTML) 35 Page - OSRAM GmbH

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AS7221
Smart Lighting Command Interface
Datasheet
• PUBLIC
DS000479
• v4-00 • 2019-Jun-28
55
│ 34
Command
Direction
Description
Format
Value Range
Default
ATINTTIME
R/W
Set sensor integration
time. Integration time =
<value> x ~2.8 ms
DEZ
1
– 255
20
ATGAIN
R/W
Set sensor gain: 0=1x
gain, 1=3.7x, 2=16x,
3=64x
DEZ
0
– 3
1
ATLED0
R/W
Enables or disables the
indication led
DEZ
0: LED off / 1: LED on
1
ATLAI
R/W
Read lower light
address identifier
DEZ
0
– 65535
65535
ATLAIE
R/W
Read higher light
address identifier
DEZ
0
– 65535
65535
ATTEMP
R
Read the current
device temperature in
degrees Celsius
DEZ
-
-
ATEVENT
R
Read the 16-bit EVENT
register, clearing the
entire register after the
read
HEX
Bit0: OCC
An occupancy (OCC) event has occurred
since the last register read
Bit1: DIM
An adjustment to the dimming level (DIM)
has occurred since the last register read.
Bit2: LED23M
An adjustment to the color tune level
(LED23M) has occurred since the last
register read.
Bit3: Not used
Bit4: SCENE
A scene has triggered since the last
register read
Bit5: DL_LIMIT
The lumen controller has reached a limit,
target value cannot reached
Bit6: CT_LIMIT
The color temperature controller has
reached a limit, target value cannot
reached
0x0000
ATPERSMEM
R/W
Enable/Disable writing
to persistent memory
DEZ
0: Disabled, 1: Enabled
0
ATSRST
W
Software Reset
-
-
-
ATFRST
W
Factory Reset. Stored
values are reset to
‘Factory’ defaults.
Afterwards a software
reset is started.
-
-
-
Basic CCT Tuning Control and Color Data
ATCT
R/W
Enables/disables color
tuning
DEZ
1: ON, 0: OFF
0
ATCCTT
R/W
Set the color control
target value in integer
(in K)
DEZ
400
– 15000
2700
ATCCTC
R
Return the calibrated
CCT value
DEZ
400
– 15000
-
ATDUVC
R
Read delta uv values
DEZ
XXXX.XXXX
-



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