TCS3530 datasheet(32/106 Pages) OSRAM

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Datasheet, Public

Page 31

[v3-00] 2023-Jun-23

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TCS3530 − Register Overview

ALS_NR_SAMPLES0 Register

Figure 31:

ALS_NR_SAMPLES0

Note(s):

1. Return to the Register Map (0x87).

ALS_NR_SAMPLES1 Register

Figure 32:

ALS_NR_SAMPLES1

Note(s):

1. Return to the Register Map (0x88).

Addr: 0x87

ALS_NR_SAMPLES0

Bit

Field

Reset

Type

Bit Description

7:0

ALS_NR_

SAMPLES[7:0]

0R/W

ALS_NR_OF_SAMPLES 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 needs to be set in register 0x87 and

0x88 (11-bit wide). It counts from 0-2047 (2048 counts).

ALSMeasurementTime = (ALS_NR_SAMPLES+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

In case residual measurement is enabled, SAMPLE_TIME is

reduced which also reduces ALSMeasurementTime.

Addr: 0x88

ALS_NR_SAMPLES1

Bit

Field

Reset

Type

Bit Description

7:3

Reserved

2:0

ALS_NR_

SAMPLES[10:8]

R/W

Please see ALS_NR_SAMPLES0.

TCS3530 数据表(PDF) 32 Page - OSRAM GmbH

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