TSL27721 datasheet(31/56 Pages) AMSCO

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ams Datasheet

Page 31

[v1-00] 2016-Aug-26

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TSL2772 − Principles Of Operation

Enable Register (0x00)

The ENABLE register is used to power the device ON/OFF, enable

functions, and interrupts.

Figure 32:

Enable Register

Reserved

SAI

PIEN

AIEN

WEN

PEN

AEN

PON

Field

Bits

Description

Reserved

Reserved. Write as 0.

SAI

Sleep after interrupt. When asserted, the device will power down at the end of a

proximity or ALS cycle if an interrupt has been generated

PIEN

Proximity interrupt mask. When asserted, permits proximity interrupts to be generated.

AIEN

ALS interrupt mask. When asserted, permits ALS interrupts to be generated.

WEN

Wait enable. This bit activates the wait feature. Writing a 1 activates the wait timer.

Writing a 0 disables the wait timer.

PEN

Proximity enable. This bit activates the proximity function. Writing a 1 enables

proximity. Writing a 0 disables proximity.

AEN

ALS Enable. This bit actives the two channel ADC. Writing a 1 activates the ALS. Writing

a 0 disables the ALS.

PON

Power ON. This bit activates the internal oscillator to permit the timers and ADC

channel to operate. Writing a 1 activates the oscillator. Writing a 0 disables the

oscillator.

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