TSL26721 datasheet(31/47 Pages) OSRAM

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[v1-01] 2019-Nov-20

TSL2672 − Principles O f Operation

Control Register (0x0F)

The Control register provides eight bits of miscellaneous

control to the analog block. These bits typically control

functions such as gain settings and/or diode selection.

Figure 36:

Control Register

Note(s):

1. LED STRENGTH currents are nominal values. Specifications can be found in the Proximity Characteristics table.

PDRIVE

PDIODE

PGAIN

Reserved

Field

Bits

Description

PDRIVE(1)

7:6

Proximity LED Drive Strength.

FIELD VALUE

LED STRENGTH — PDL = 0

LED STRENGTH — PDL = 1

120 mA

15 mA

60 mA

7.5 mA

30 mA

3.8 mA

15 mA

1.9 mA

PDIODE

5:4

Proximity Diode Selector.

FIELD VALUE

DIODE SELECTION

Proximity uses neither diode

Proximity uses the CH0 diode

Proximity uses the CH1 diode

Reserved — Do not write

PGAIN

3:2

Proximity Gain.

FIELD VALUE

PROXIMITY GAIN VALUE

1× gain

2× gain

4× gain

8× gain

Reserved

1:0

Reserved. Write as 0.

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