TSL27721 datasheet(40/58 Pages) OSRAM

部件名	TSL27721

功能描述	Light-to-Digital Converter with Proximity Sensing

PDF	58 Pages

Scroll/Zoom	100%

制造商	OSRAM [OSRAM GmbH]

网页	http://www.osram.com

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40 / 58 page

Datasheet, Public

Page 39

[v2-00] 2023-Mar-30

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TSL2772 − Principles Of 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 41:

Control Register

PDRIVE

PDIODE

PGAIN

AGAIN

Field

Bits

Description

PDRIVE

7:6

Proximity LED Drive Strength.

FIELD VALUE

LED STRENGTH — PDL = 0

LED STRENGTH — PDL = 1

120mA

15mA

60mA

7.5mA

30mA

3.8mA

15mA

1.9mA

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

1x gain

2x gain

4x gain

8x gain

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