TSL26721 datasheet(27/47 Pages) OSRAM

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[v1-01] 2019-Nov-20

TSL2672 − Principles O f Operation

Enable Register (0x00)

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

functions, and interrupts.

Figure 29:

Enable Register

Proximity Time Register (0x02)

The proximity timing register controls the integration time of

the proximity ADC in 2.73 ms increments. Upon power up, the

proximity time register is set to 0xFF. It is recommended that

this register be programmed to a value of 0xFF (1 integration

cycle).

Figure 30:

Proximity Integration Time Control Register

Reserved

SAI

PIEN

Reserved

WEN

PEN

Reserved

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 cycle if an interrupt has been generated

PIEN

Proximity interrupt enable. When enabled, the proximity interrupt drives the INT pin.

When disabled, the interrupt is masked from the INT pin, but remains visible in the

Status register (0x13).

Reserved

Reserved. Write as 0.

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.

Reserved

Reserved. Write as 0.

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.

Field

Bits

Description

PTIME

7:0

VALUE

INTEG_CYCLES

TIME

MAX COUNT

0xFF

2.73 ms

1023

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