TSL27721 datasheet(32/56 Pages) AMSCO

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[v1-00] 2016-Aug-26

TSL2772 − Principles O f Operation

ALS Time Register (0x01)

The ALS time register controls the internal integration time of

the ALS channel ADCs in 2.73 ms increments. Upon power up,

the ALS time register is set to 0xFF.

Figure 33:

ALS Integration Time 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 34:

Proximity Integration Time Control Register

Field

Bits

Description

ATIME

7:0

VALUE

INTEG_CYCLES

TIME

MAX COUNT

0xFF

2.73 ms

1024

0xF6

27.3 ms

10240

0xDB

101 ms

37888

0xC0

175 ms

65535

0x00

256

699 ms

65535

Field

Bits

Description

PTIME

7:0

VALUE

INTEG_CYCLES

TIME

MAX COUNT

0xFF

2.73 ms

1023

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