TCS3530 datasheet(33/106 Pages) OSRAM

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[v3-00] 2023-Jun-23

TCS3530 − Register O ver view

ALS_NR_SAMPLES_ALTERNATIVE0 Register

Figure 33:

ALS_NR_SAMPLES_ALTERNATIVE0

Note(s):

1. Return to the Register Map (0x89).

ALS_NR_SAMPLES_ALTERNATIVE1 Register

Figure 34:

ALS_NR_SAMPLES_ALTERNATIVE1

Note(s):

1. Return to the Register Map (0x8A).

Addr: 0x89

ALS_NR_SAMPLES_ALTERNATIVE0

Bit

Field

Reset

Type

Bit Description

7:0

ALS_NR_

SAMPLES_

ALTERNATIVE[7:0]

0R/W

ALS_NR_OF_SAMPLES_ALTERNATIVE defines the total

measurement time for ALS together with SAMPLE_TIME in

steps of 1.388889μs modulator clock. Please observe that

ALS_NR_OF_SAMPLES_ALTERNATIVE needs to be set in

0-2047 (2048 counts).

ALSMeasurementTime = (ALS_NR_SAMPLES_

ALTERNATIVE+1) x (SAMPLE_TIME+1) x 1.388889μs

Default: 250μs = (0+1) x (179+1) x 1.388889μs

Example: 100ms = (399+1) x (179+1) x 1.388889μs

Attention: In case residual measurement is enabled,

SAMPLE_TIME is reduced, which also reduces

ALSMeasurementTime.

Addr: 0x8A

ALS_NR_SAMPLES_ALTERNATIVE1

Bit

Field

Reset

Type

Bit Description

7:3

Reserved

2:0

ALS_NR_

SAMPLES_

ALTERNATIVE[10:8]

R/W

Please see ALS_NR_SAMPLES_ALTERNATIVE0.

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