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TSL27721 Fiches technique(PDF) 37 Page - OSRAM GmbH

No de pièce TSL27721
Description  Light-to-Digital Converter with Proximity Sensing
PDF  58 Pages
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Fabricant  OSRAM [OSRAM GmbH]
Site Internet  http://www.osram.com
Logo OSRAM - OSRAM GmbH

TSL27721 Fiches technique(HTML) 37 Page - OSRAM GmbH

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[v2-00] 2023-Mar-30
TSL2772 − Principles O f Operation
Persistence Filter Register (0x0C)
The persistence filter register controls the interrupt capabilities
of the device. Configurable filtering is provided to allow
interrupts to be generated after every ADC cycle or if the ADC
cycle has produced a result that is outside of the values
specified by threshold register for some specified amount of
time. Separate filtering is provided for proximity and ALS
functions. ALS interrupts are generated using C0DATA.
Figure 38:
Persistence Filter Register
76
5
4
3
2
1
0
PPERS
APERS
Field
Bits
Description
PPERS
7:4
Proximity interrupt persistence. Controls rate of proximity interrupt to the host
processor
FIELD VALUE
MEANING
INTERRUPT PERSISTENCE FUNCTION
0000
---
Every proximity cycle generates an interrupt
0001
1
1 proximity value out of range
0010
2
2 consecutive proximity values out of range
...
...
...
1111
15
15 consecutive proximity values out of range



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