TSL27711FN datasheet(28/51 Pages) OSRAM

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ams Datasheet

Page 27

[v1-00] 2016-Mar-22

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TSL2771 − Register Set

Command Register

The command registers specifies the address of the target

Figure 28:

Command Register

COMMAND

TYPE

ADD

Field

Bits

Description

COMMAND

Select Command Register. Must write as 1 when addressing COMMAND register.

TYPE

6:5

Selects type of transaction to follow in subsequent data transfers:

FIELD VALUE

DESCRIPTION

Repeated byte protocol transaction

Auto-increment protocol transaction

Reserved — Do not use

Special function — See description below

Transaction type 00 will repeatedly read the same register with each data access.

Transaction type 01 will provide an auto-increment function to read successive

ADD

4:0

Address register/special function field. Depending on the transaction type, see above,

this field either specifies a special function command or selects the specific

control-status-register for the following write and read transactions. The field values

listed below apply only to special function commands:

FIELD VALUE

DESCRIPTION

00000

Normal - no action

00101

Proximity interrupt clear

00110

ALS interrupt clear

00111

Proximity and ALS interrupt clear

other

Reserved — Do not write

ALS/Proximity Interrupt Clear clears any pending ALS/Proximity interrupt. This special

function is self clearing.

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