TSL25721 datasheet(25/41 Pages) OSRAM

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[v2-00] 2022-Nov-30

TSL2572 − Register O ver view

Persistence Register (0x0C)

The persistence register controls the filter 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. ALS interrupts are generated using C0DATA.

Figure 27:

Persistence Filter Register

Field

Bits

Description

Reserved

7:4

Reserved. Write as 0.

APERS

3:0

ALS Interrupt persistence filter. Controls rate of ALS interrupt to the host

processor

FIELD VALUE

MEANING

INTERRUPT PERSISTENCE FUNCTION

0000

Every

Every ALS cycle generates an interrupt

0001

1 value outside of threshold range

0010

2 consecutive values out of range

0011

3 consecutive values out of range

0100

5 consecutive values out of range

0101

10 consecutive values out of range

0110

15 consecutive values out of range

0111

20 consecutive values out of range

1000

25 consecutive values out of range

1001

30 consecutive values out of range

1010

35 consecutive values out of range

1011

40 consecutive values out of range

1100

45 consecutive values out of range

1101

50 consecutive values out of range

1110

55 consecutive values out of range

1111

60 consecutive values out of range

APERS

PERS

Reserved

Reset

0x00

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