TMG39921 datasheet(48/96 Pages) OSRAM

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ams Datasheet

Page 47

[v1-06] 2018-Feb-27

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TMG3992 − Register Description

Enable Register (ENABLE 0x80)

The Enable Register is used to power the device ON/OFF, enable

functions and interrupts.

Figure 46:

Enable Register

Note(s):

1. Before enabling Gesture, Proximity, or ALS, all of the bits associated with control of the desired function must be set. Changing

control register values while operating may result in invalid results.

765

432

PBEN

GEN

PIEN

AIEN

WEN

PEN

AEN

PON

Field

Bits

Description

PBEN

Pattern Burst Enable. When asserted, control of the LED driver pin (LDR) is

managed by the IRBeam state machine. When PBEN is set, the proximity

pulse will not be output to the LDR pin.

GEN

Gesture Enable. When asserted, the gesture state machine can be activated.

Activation is subject to the states of PEN and GMODE bits.

PIEN

Proximity Interrupt Enable. When asserted, permits proximity interrupts to

be generated, subject to the persist filter.

AIEN

ALS Interrupt Enable. When asserted, permits ALS interrupts to be

generated, subject to the persistence filter setting.

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 activates the Color functionality (Ambient Light Sense).

Writing a 1 enables ALS. Writing a 0 disables ALS.

PON

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

ADC channels to operate. Writing a 1 activates the oscillator. Writing a 0

disables the oscillator and puts the part into a low power sleep mode. During

reads and writes over the I²C interface, this bit is temporarily overridden and

the oscillator is enabled, independent of the state of PON.

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