TMD27721 datasheet(35/59 Pages) AMSCO

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ams Datasheet, Confidential

Page 35

[v1-20] 2014-Jul-21

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TMD2772/ TMD2772WA − Register Description

Interrupt Register (0x0C)

The Interrupt Register controls the filtering interrupt

capabilities of the device. Configurable filtering is provided to

allow interrupts to be generated after each ADC integration

cycle or if the ADC integration has produced a result that is

outside of the values specified by threshold register for some

specified amount of time. Separate filtering is provided for

proximity and ALS functions.

ALS interrupts are generated by looking only at the C0DATA

ADC integration results.

Figure 40:

Interrupt Register

PPERS

APERS

Field

Bits

Description (Reset value = 0x00)

PPERS

7:4

Proximity interrupt persistence filter. Controls rate of proximity interrupt to the

host processor.

Field Value

Meaning

Interrupt Persistence

0000

Every

Every proximity cycle generates an

interrupt

0001

1 proximity value outside of threshold

range

0010

2 consecutive proximity values out of

range

……

…

1111

15 consecutive proximity values out of

range

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