TCS3530 datasheet(34/106 Pages) OSRAM

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Datasheet, Public

Page 33

[v3-00] 2023-Jun-23

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TCS3530 − Register Overview

FD_NR_SAMPLES0 Register

Figure 35:

FD_NR_SAMPLES0

Note(s):

1. Return to the Register Map (0x8B).

FD_NR_SAMPLES1 Register

Figure 36:

FD_NR_SAMPLES1

Note(s):

1. Return to the Register Map (0x8C).

Addr: 0x8B

FD_NR_SAMPLES0

Bit

Field

Reset

Type

Bit Description

7:0

FD_NR_

SAMPLES[7:0]

0R/W

FD_NR_OF_SAMPLES defines the total measurement time

for Flicker together with SAMPLE_TIME in steps of

1.388889μs modulator clock. Please observe that FD_NR_

OF_SAMPLES needs to be set in register 0x8B and 0x8C

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

FDMeasurementTime = (FD_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 FDMeasurementTime.

Addr: 0x8C

FD_NR_SAMPLES1

Bit

Field

Reset

Type

Bit Description

FD_NR_

SAMPLES_

INFINITE

0R/W

When asserted flicker measurement sequences will be

infinitely repeated. In this mode, no end markers are

inserted but results are continuously written into the FIFO.

6:3

Reserved

2:0

FD_NR_

SAMPLES[10:8]

R/W

Please see FD_NR_SAMPLES0.

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