TCS3530 datasheet(35/106 Pages) OSRAM

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Page 34

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[v3-00] 2023-Jun-23

TCS3530 − Register O ver view

FD_NR_SAMPLES_ALTERNATIVE0 Register

Figure 37:

FD_NR_SAMPLES_ALTERNATIVE0

Note(s):

1. Return to the Register Map (0x8D).

FD_NR_SAMPLES_ALTERNATIVE1 Register

Figure 38:

FD_NR_SAMPLES_ALTERNATIVE1

Note(s):

1. Return to the Register Map (0x8E)

Addr: 0x8D

FD_NR_SAMPLES_ALTERNATIVE0

Bit

Field

Reset

Type

Bit Description

7:0

FD_NR_SAMPLES_

ALTERNATIVE [7:0]

0R/W

FD_NR_OF_SAMPLES_ALTERNATIVE 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_ALTERNATIVE needs

to be set in register 0x8D and 0x8E (11-bit wide). It

counts from 0-2047 (2048 counts).

FDMeasurementTime = (FD_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

In case residual measurement is enabled, SAMPLE_TIME

is reduced which also reduces FDMeasurementTime.

Addr: 0x8E

FD_NR_SAMPLES_ALTERNATIVE1

Bit

Field

Reset

Type

Bit Description

7:3

Reserved

2:0

FD_NR_SAMPLES_

ALTERNATIVE[10:8]

R/W

Please see FD_NR_SAMPLES_ALTERNATIVE0.

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