TSL27721 datasheet(37/58 Pages) OSRAM

tên linh kiện	TSL27721

Giải thích chi tiết về linh kiện	Light-to-Digital Converter with Proximity Sensing

PDF	58 Pages

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nhà sản xuất	OSRAM [OSRAM GmbH]

Trang chủ	http://www.osram.com

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Page 36

Datasheet, Public

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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

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 proximity value out of range

0010

2 consecutive proximity values out of range

...

1111

15 consecutive proximity values out of range

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