TMG3992 datasheet(51/96 Pages) OSRAM

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[v1-06] 2018-Feb-27

TMG3992 − Register Description

ALS Interrupt Threshold Registers (0x84 − 0x87)

ALS level detection uses data generated by the Clear Channel.

The ALS Interrupt Threshold registers provide 16-bit values to

be used as the high and low thresholds for comparison to the

16-bit CDATA values. If AIEN is enabled and CDATA is not

between AIL/HTHH and AIL/HTHL for the number of consecutive

samples specified in APERS an interrupt is asserted on the

interrupt pin.

Figure 49:

ALS Interrupt Threshold Registers

Proximity Interrupt Threshold Registers (0x89,

0x8B)

The Proximity Interrupt Threshold Registers set the high and

low trigger points for the comparison function which generates

an interrupt. If PDATA, the value generated by proximity

channel, crosses below the lower threshold specified, or above

the higher threshold, an interrupt may be signaled to the host

processor. Interrupt generation is subject to the value set in

persistence filter (PPERS).

Figure 50:

Proximity Interrupt Threshold Registers

Registers

Address

Bits

Description

AILTHL

0x84

7:0

ALS low threshold lower byte

AIHTHL

0x85

7:0

ALS low threshold upper byte

AILTHH

0x86

7:0

ALS high threshold lower byte

AIHTHH

0x87

7:0

ALS high threshold upper byte

Registers

Address

Bits

Description

PITHL

0x89

7:0

Proximity low threshold

PITHH

0x8B

7:0

Proximity high threshold

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