TMD2672 datasheet(24/44 Pages) OSRAM

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ams Datasheet

Page 23

[v1-00] 2015-Mar-23

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TMD2672 − Principles of Operation

Enable Register (0x00)

The Enable Register is used to power the device on/off, enable

functions, and interrupts.

Figure 28:

Enable Register

Proximity Time Control Register (0x02)

The Proximity Timing Register controls the integration time of

the proximity ADC in 2.73ms 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 29:

Proximity Time Control Register

Reserved

SAI

PIEN

Reserved

WEN

PEN

Reserved

PON

Field

Bits

Description

Reserved

Reserved. Write as 0.

SAI

Sleep After Interrupt. 0 = not enabled, 1 = enabled

PIEN

Proximity Interrupt Mask. When asserted, permits proximity interrupts to be

generated.

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

2.73ms

1023

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