TSL25403M datasheet(18/38 Pages) OSRAM

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Datasheet, Public

Page 17

[v2-00] 2022-Dec-05

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TSL2540 − Register Description

PERS Register (Address 0x8C)

Figure 21:

PERS Register

The frequency of consecutive visible channel results outside of

threshold limits are counted; this count value is compared

against the APEARS value. If the counter is equal to the APERS

setting an interrupt is asserted. Any time a clear channel result

is inside the threshold values the counter is cleared.

Addr: 0x8C

PERS

Bit

Bit Name

Default

Access

Bit Description

7:4

Reserved

0000

R/W

Reserved.

3:0

APERS

0000

R/W

This register sets the ALS persistence filter.

0Every ALS cycle.

Any value outside ALS thresholds.

2 consecutive ALS values out of range.

3 consecutive ALS values out of range.

5 consecutive ALS values out of range.

10 consecutive ALS values out of range.

15 consecutive ALS values out of range.

20 consecutive ALS values out of range.

……

50 consecutive ALS values out of range.

55 consecutive ALS values out of range.

60 consecutive ALS values out of range.

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