TSL2520 datasheet(34/69 Pages) OSRAM

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Datasheet, Public

Page 33

[v3-00] 2022-Dec-20

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TSL2520 − Register Overview

CFG5 Register

Figure 42:

CFG5

Note(s):

1. Return to the Register Map (0xA6).

Addr: 0xA6

CFG5

Bit

Field

Reset

Type

Bit Description

7:6

Reserved

5:4

ALS_THRESHOLD_

CHANNEL

0R/W

Selects the modulator channel used for the ALS threshold

metering and subsequent interrupt.

00: Default, modulator0

01: Modulator1

3:0

APERS

R/W

ALS Interrupt Persistence. Defines a filter for the number of

consecutive occurrences that ALS measurement data must

remain outside the threshold range between AILT and

AIHT before an interrupt is generated. The ALS data

channel used for the persistence filter is set by ALS_

THRESHOLD_CHANNEL. Any sample that is inside the

threshold range resets the counter to 0.

Interrupts are generated at:

0x0: every ALS cycle

0x1: any ALS value outside the threshold range

0x2: 2 consecutive ALS values outside the range

0x3: 3 consecutive ALS values outside the range

0x4: 5 …

0x5: 10 …

…… continued in increments of 5 values

0xE: 55 …

0xF: 60 consecutive ALS values outside the range

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