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TMD3721 Datasheet(PDF) 55 Page - OSRAM GmbH

Part # TMD3721
Description  ALS/Color and Proximity Sensor Module for Behind OLED Applications
PDF  89 Pages
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Manufacturer  OSRAM [OSRAM GmbH]
Direct Link  http://www.osram.com
Logo OSRAM - OSRAM GmbH

TMD3721 Datasheet(HTML) 55 Page - OSRAM GmbH

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Page 54
Datasheet, Public
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[v3-00] 2023-May-26
TMD3721 − Register O ver view
For applications with high optical proximity crosstalk (the
emitted IR optical signal appears at the IR sensor), the offset
range can be extended in discrete steps. To determine the best
range extension step for the application, a proximity calibration
cycle is initiated and the resulting proximity offset is captured
in the POFFSET /POFFSET_SIGN registers.
CALIBCFG Register (Address 0xD9)
Figure 75:
CALIBCFG Register
Addr: 0xD9
CALIBCFG
Bit
Bit Name
Default
Access
Bit Description
7:5
BINSRCH_
TARGET
010
RW
Proximity offset calibration result target.
Value
PDATA Target
0 (000)
3
1 (001)
7
2 (010)
15
3 (011)
31
4 (100)
63
5 (101)
127
6 (110)
255
7 (111)
511
4
Reserved
1
RW
Reserved. Must be set to default value.
3
PROX_AUTO_
OFFSET_
ADJUST
0RW
If set, then in proximity mode, whenever an ADC
measurement yield zero, the pertinent offset register will
be decreased. Will set the OFFSET_ADJUSTED flag if it
happened. Note that if a diode is disabled, this
mechanism is disabled as well.



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