ISL29043_14 Datasheet, PDF(6/16 Page) Intersil Corporation – Low Power Ambient Light and Proximity Sensor with Internal IR-LED and Digital Output

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ISL29043_14 Datasheet, PDF (6/16 Pages) Intersil Corporation – Low Power Ambient Light and Proximity Sensor with Internal IR-LED and Digital Output

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ISL29043

There are ten 8-bit registers accessible via I2C. Registers 0x1 and 0x2 define the operation mode of the device. Registers 0x3 through 0x7

store the various ALS/IR/Prox thresholds, which trigger interrupt events. Registers 0x8 through 0xA store the results of ALS/IR/Prox ADC

conversions.

TABLE 1. ISL29043 REGISTERS AND REGISTER BITS

BIT

ADDR REG NAME

DEFAULT

0x00

0x01

0x02

0x03

0x04

0x05

0x06

0x07

0x08

0x09

0x0A

0x0E

0x0F

(n/a)

CONFIGURE

INTERRUPT

PROX_LT

PROX_HT

ALSIR_TH1

ALSIR_TH2

ALSIR_TH3

PROX_DATA

ALSIR_DT1

ALSIR_DT2

TEST1

TEST2

PROX EN

PROX_FLAG

PROX_SLP[2:0]

PROX_PRST[1:0]

ALSIR_HT[3:0]

(Unused)

(Reserved)

PROX_DR

(Write 0)

ALS_FLAG

PROX_LT[7:0]

PROX_HT[7:0]

ALSIR_LT[7:0]

ALSIR_HT[11:4]

PROX_DATA[7:0]

ALSIR_DATA[7:0]

(Write as 0x00)

ALS_EN

ALS_RANGE

ALS_PRST[1:0]

ALSIR_MODE

INT_CTRL

ALSIR_LT[11:8]

ALSIR_DATA[11:8]

(n/a)

0x00

0xFF

0x00

0xF0

0xFF

0x00

FN7935.0

February 9, 2012

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